Lock Washer
Case Construction ·189 Fitments
| Machine | Model | Years |
|---|---|---|
| BACKHOE | 26S | 1965 – 1975 |
| BACKHOE | 26C | 1975 – 1979 |
| BACKHOE | 26D | 1980 – 1989 |
| DAVIS TASKFORCE SUPER TRENCHER | 1000 | 1972 – 1981 |
| CASE CRAWLER EXCAVATOR - DUAL POWER ELECTRIC & DIESEL ENGINE | 1088 | 1988 – 1994 |
| CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR | 1088 | 1988 – 1994 |
| COMPACT WHEEL LOADER TIER 3 | 121E SERIES 3 | 2007 – 2014 |
| COMPACT WHEEL LOADER STD EVO, ZB | 121F | — |
| COMPACT WHEEL LOADER STD, TC | 121F | — |
| COMPACT WHEEL LOADER STD, ZB | 121F | — |
Enhance the durability of your heavy equipment with Case Construction Lock Washer #280295. Designed for optimal performance, this reliable component ensures secure fastening, reducing wear and tear in demanding environments. Perfect for maintaining your machinery’s efficiency and longevity.
Compatible equipment
This part fits BACKHOE, DAVIS TASKFORCE SUPER TRENCHER, CASE CRAWLER EXCAVATOR - DUAL POWER ELECTRIC & DIESEL ENGINE, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, COMPACT WHEEL LOADER TIER 3, COMPACT WHEEL LOADER STD EVO, ZB, COMPACT WHEEL LOADER STD, TC, COMPACT WHEEL LOADER STD, ZB, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE, POCLAIN CRAWLER EXCAVATOR, CASE CRAWLER EXCAVATOR, CASE GASOLINE ENGINE, 4 CYLINDER DIESEL ENGINE, DIESEL ENGINE SUPPLEMENT, DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR, COMPACT WHEEL LOADER HS, ZB, COMPACT WHEEL LOADER HSP, ZB - TIER 4 - MY23, COMPACT WHEEL LOADER HSP, ZB, LOADER, CASE SKID KING WHEEL LOADER, CASE CRAWLER TRACTOR, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, COMPACT WHEEL LOADER HPS EVO, XR, COMPACT WHEEL LOADER HSP EVO, ZB, COMPACT WHEEL LOADER STD, XR - TIER 4 - MY23, COMPACT WHEEL LOADER STD, XR, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, DROTT ENGINES FOR 35 CRAWLER - B SERIES, CASE ENGINE, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750, 850, 1150, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE LOADER BACKHOE ATTACHMENTS, LOADER AND BACKHOE FOR 580CK SERIES B, CASE TRENCHER, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, COMPACT WHEEL LOADER HS, ZB - STAGE V, CASE CONSTRUCTION KING WHEEL TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, WHEEL LOADER - STAGE V - TS - XT, WHEEL LOADER - STAGE V - TS - ZBAR, CASE CONSTRUCTION KING FORKLIFT, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, BACKHOE LOADER, 2WD - TIER 3 NRC - MY18, BACKHOE LOADER, 2WD - TIER 3 NRC - MY19, BACKHOE LOADER, 2WD - TIER 4B - MY18, BACKHOE LOADER, 2WD - TIER 4B - MY19, BACKHOE LOADER, 4WD - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - TIER 4B - MY19, LOADER BACKHOE, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY19, BACKHOE LOADER, WIDE TRACK, FORKLIFT - LIVERY, FORKLIFT, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, CASE LONG TRACK CRAWLER TRACTOR, CASE TURBO TRENCHER, CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, CASE EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER, HYDRA-BORER, COMPACT WHEEL LOADER STD, ELECTRIC, ZB, MIDI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V, MINI CRAWLER EXCAVATOR, CAB - STAGE V, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V, MIDI CRAWLER EXCAVATOR, CAB - STAGE V, TRENCHER - CASE 188 DIESEL ENGINE, TRENCHER - CASE 207 DIESEL ENGINE, CASE TRENCHER W/LOADER BACKHOE, CASE FORKLIFT, DAVIS FLEETLINE 30+4 TRENCHER, DAVIS FLEETLINE 40+4 TRENCHER, SMALL ARTICULATED LOADER, POCLAIN WHEELED EXCAVATOR, CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER, CASE WHEEL LOADER including models 26S, 26C, 26D, 1000, 1088, 121E SERIES 3, 121F, 1500, 1529, 160CK, 160CKS, 160CL, 1700, 170C, 1825B, 1835, 1835C, 1840, 1845S, 188, 207, 21E SERIES 3, 21F, 220, 220CKS.
Frequently asked questions
What is the part number?
The manufacturer part number is 280295.
Is this a genuine OEM part?
Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.
Will this fit my machine?
See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.
Where does this ship from?
Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.
- Manufacturer part number
- 280295
- Internal SKU
- IC:280295
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.76 lb
Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.
30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.
All 189 fitments
| Machine | Model | Years |
|---|---|---|
| BACKHOE | 26S | 1965 – 1975 |
| BACKHOE | 26C | 1975 – 1979 |
| BACKHOE | 26D | 1980 – 1989 |
| DAVIS TASKFORCE SUPER TRENCHER | 1000 | 1972 – 1981 |
| CASE CRAWLER EXCAVATOR - DUAL POWER ELECTRIC & DIESEL ENGINE | 1088 | 1988 – 1994 |
| CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR | 1088 | 1988 – 1994 |
| COMPACT WHEEL LOADER TIER 3 | 121E SERIES 3 | 2007 – 2014 |
| COMPACT WHEEL LOADER STD EVO, ZB | 121F | — |
| COMPACT WHEEL LOADER STD, TC | 121F | — |
| COMPACT WHEEL LOADER STD, ZB | 121F | — |
| SERIES - CASE UNI-LOADER SKID STEER LOADER | 1500 | 1969 – 1988 |
| CASE UNI-LOADER SKID STEER LOADER | 1529 | 1969 – 1988 |
| CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE | 1529 | 1969 – 1988 |
| POCLAIN CRAWLER EXCAVATOR | 160CK | 1976 – 1982 |
| POCLAIN CRAWLER EXCAVATOR | 160CKS | 1975 – 1982 |
| POCLAIN CRAWLER EXCAVATOR | 160CL | 1976 – 1982 |
| SERIES - CASE UNI-LOADER SKID STEER LOADER | 1700 | 1971 – 1988 |
| CASE CRAWLER EXCAVATOR | 170C | 1990 – 1991 |
| CASE UNI-LOADER SKID STEER LOADER | 1825B | 1996 – 2003 |
| CASE UNI-LOADER SKID STEER LOADER | 1835 | 1980 – 1982 |
| CASE UNI-LOADER SKID STEER LOADER | 1835C | 1987 – 1995 |
| CASE UNI-LOADER SKID STEER LOADER | 1840 | 1989 – 2001 |
| CASE UNI-LOADER SKID STEER LOADER | 1845S | 1975 – 1988 |
| CASE GASOLINE ENGINE | 188 | 1977 – 1991 |
| 4 CYLINDER DIESEL ENGINE | 207 | 1975 – 1980 |
| DIESEL ENGINE SUPPLEMENT | 207 | 1975 – 1980 |
| COMPACT WHEEL LOADER TIER 3 | 21E SERIES 3 | 2007 – 2014 |
| COMPACT WHEEL LOADER STD EVO, ZB | 21F | — |
| COMPACT WHEEL LOADER STD, TC | 21F | — |
| COMPACT WHEEL LOADER STD, ZB | 21F | — |
| POCLAIN CRAWLER EXCAVATOR | 220 | 1988 – 1992 |
| DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR | 220CKS | 1985 – 1992 |
| COMPACT WHEEL LOADER TIER 3 | 221E SERIES 3 | 2007 – 2014 |
| COMPACT WHEEL LOADER HS, ZB | 221F | — |
| COMPACT WHEEL LOADER HSP, ZB - TIER 4 - MY23 | 221F | — |
| COMPACT WHEEL LOADER STD EVO, ZB | 221F | — |
| COMPACT WHEEL LOADER STD, ZB | 221F | — |
| COMPACT WHEEL LOADER HSP, ZB | 221G | — |
| COMPACT WHEEL LOADER STD EVO, ZB | 221G | — |
| BACKHOE | 26 | 1965 – 1975 |
| BACKHOE | 26B | 1965 – 1975 |
| LOADER | 26B | 1965 – 1975 |
| CASE SKID KING WHEEL LOADER | 300C | 1968 – 1990 |
| BACKHOE | 31 | 1960 – 1963 |
| BACKHOE | 310C | 1959 – 1962 |
| CASE CRAWLER TRACTOR | 310E | 1961 – 1990 |
| BACKHOE FOR W7, W9A, W9B, W10 | 32 | 1962 – 1967 |
| CASE WHEEL TRACTOR | 320B | 1957 – 1959 |
| COMPACT WHEEL LOADER TIER 3 | 321E SERIES 3 | 2007 – 2014 |
| COMPACT WHEEL LOADER HPS EVO, XR | 321F | — |
| COMPACT WHEEL LOADER HS, ZB | 321F | 2014 – 2023 |
| COMPACT WHEEL LOADER HSP EVO, ZB | 321F | — |
| COMPACT WHEEL LOADER STD EVO, ZB | 321F | — |
| COMPACT WHEEL LOADER STD, XR - TIER 4 - MY23 | 321F | — |
| COMPACT WHEEL LOADER STD, ZB | 321F | — |
| COMPACT WHEEL LOADER HPS EVO, XR | 321G | — |
| COMPACT WHEEL LOADER HSP EVO, ZB | 321G | — |
| COMPACT WHEEL LOADER STD EVO, ZB | 321G | — |
| COMPACT WHEEL LOADER STD, XR | 321G | — |
| BACKHOE AND LOADER | 32S | 1960 – 1966 |
| BACKHOE FOR 310G AND 450 CRAWLER | 33 | 1966 – 1971 |
| BACKHOE FOR 580CK | 33 | 1960 – 1972 |
| BACKHOE FOR W SERIES RIGID LOADERS | 33 | 1966 – 1971 |
| DROTT ENGINES FOR 35 CRAWLER - B SERIES | 336B | 1965 – 1979 |
| CASE ENGINE | 336DBT | 1955 – 1979 |
| BACKHOE | 33S | 1961 – 1971 |
| BACKHOE FOR 680CK TRACTOR | 34 | 1961 – 1971 |
| BACKHOE FOR W SERIES RIGID LOADERS | 34 | 1961 – 1971 |
| BACKHOES FOR CRAWLER MODELS 750, 850, 1150 | 34 | 1961 – 1971 |
| BACKHOE FOR 450, 450B, 850, 850B, AND W14 | 35 | 1980 – 1983 |
| CASE LOADER BACKHOE ATTACHMENTS | 35 | 1973 – 1983 |
| LOADER AND BACKHOE FOR 580CK SERIES B | 35 | 1973 – 1983 |
| CASE CRAWLER TRACTOR | 350 | 1970 – 1980 |
| CASE CRAWLER TRACTOR | 350B | 1979 – 1983 |
| BACKHOE | 35A | 1972 – 1987 |
| BACKHOE | 35C | 1988 – 1994 |
| BACKHOE | 35C WL | 1988 – 1994 |
| BACKHOE | 35WL | 1988 – 1994 |
| CASE TRENCHER | 360 | 1986 – 2004 |
| CASE G.P. & L.C.G. WHEEL TRACTOR | 380CK | 1970 – 1974 |
| CASE LOADER/LANDSCAPER TRACTOR | 380CK | 1970 – 1980 |
| CASE CRAWLER TRACTOR | 400 | 1957 – 1983 |
| CASE SKID KING WHEEL LOADER | 400C | 1972 – 1977 |
| CASE WHEEL TRACTOR | 420B | 1957 – 1958 |
| CASE WHEEL TRACTOR | 420BD | 1957 – 1959 |
| COMPACT WHEEL LOADER HS, ZB - STAGE V | 421G | — |
| CASE CRAWLER TRACTOR | 450B | 1978 – 1983 |
| CASE CRAWLER TRACTOR | 455B | 1983 |
| CASE TRENCHER | 460 | 1994 – 2004 |
| CASE CONSTRUCTION KING WHEEL TRACTOR | 480B | 1971 – 1978 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480C | 1976 – 1980 |
| CASE CONSTRUCTION KING WHEEL TRACTOR | 480CK | 1966 – 1971 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480D | 1980 – 1986 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480LL | 1981 – 1986 |
| CASE CRAWLER TRACTOR | 500 | 1953 – 1983 |
| WHEEL LOADER - STAGE V - TS - XT | 521G2 | — |
| WHEEL LOADER - STAGE V - TS - ZBAR | 521G2 | — |
| CASE TRENCHER | 560 | 1993 – 2004 |
| CASE CONSTRUCTION KING FORKLIFT | 580 | 1966 – 1971 |
| CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION | 580B | 1971 – 1977 |
| CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION | 580B | 1971 – 1977 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580C | 1975 – 1980 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580D | 1980 – 1984 |
| CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE | 580SD | 1980 – 1984 |
| BACKHOE LOADER, 2WD - TIER 3 NRC - MY18 | 580SN | 2017 – 2018 |
| BACKHOE LOADER, 2WD - TIER 3 NRC - MY19 | 580SN | 2018 – 2019 |
| BACKHOE LOADER, 2WD - TIER 4B - MY18 | 580SN | 2017 – 2018 |
| BACKHOE LOADER, 2WD - TIER 4B - MY19 | 580SN | — |
| BACKHOE LOADER, 4WD - TIER 3 NRC - MY18 | 580SN | 2017 – 2018 |
| BACKHOE LOADER, 4WD - TIER 3 NRC - MY19 | 580SN | — |
| BACKHOE LOADER, 4WD - TIER 4B - MY19 | 580SN | — |
| LOADER BACKHOE | 580SN | 2010 – 2015 |
| BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY18 | 580SN WT | 2017 – 2018 |
| BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY19 | 580SN WT | — |
| BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY18 | 580SN WT | 2017 – 2018 |
| BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY19 | 580SN WT | — |
| BACKHOE LOADER, WIDE TRACK | 580SN WT | 2009 – 2012 |
| CASE CONSTRUCTION KING FORKLIFT | 584C | 1979 – 1988 |
| CASE CONSTRUCTION KING FORKLIFT | 584D | 1984 – 1988 |
| CASE CONSTRUCTION KING FORKLIFT | 585C | 1979 – 1988 |
| CASE CONSTRUCTION KING FORKLIFT | 585D | 1984 – 1988 |
| CASE CONSTRUCTION KING FORKLIFT | 586C | 1979 – 1988 |
| CASE CONSTRUCTION KING FORKLIFT | 586D | 1984 – 1988 |
| FORKLIFT - LIVERY | 586H | — |
| FORKLIFT | 586H | 2014 – 2016 |
| FORKLIFT - LIVERY | 588H | — |
| FORKLIFT | 588H | 2014 – 2016 |
| BACKHOE LOADER, 2WD - TIER 3 NRC - MY18 | 590SN | 2017 – 2018 |
| BACKHOE LOADER, 2WD - TIER 3 NRC - MY19 | 590SN | — |
| BACKHOE LOADER, 2WD - TIER 4B - MY19 | 590SN | 2018 – 2019 |
| BACKHOE LOADER, 4WD - TIER 3 NRC - MY18 | 590SN | 2017 – 2018 |
| BACKHOE LOADER, 4WD - TIER 3 NRC - MY19 | 590SN | — |
| BACKHOE LOADER, 4WD - TIER 4B - MY19 | 590SN | — |
| CASE SKID KING WHEEL LOADER | 600 | 1972 – 1976 |
| CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE | 6030 | 2000 – 2004 |
| CASE TRENCHER | 660 | 1986 – 2003 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 680E | 1974 – 1978 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 680G | 1978 – 1981 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 680H | 1980 – 1984 |
| CASE TRENCHER | 760 | 2000 – 2004 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780 | 1971 – 1981 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780B | 1981 – 1985 |
| CASE SKID KING WHEEL LOADER | 800 | 1972 – 1976 |
| CASE SKID KING WHEEL LOADER | 825 | 1972 – 1976 |
| CASE CRAWLER TRACTOR | 850B | 1976 – 1984 |
| CASE CRAWLER TRACTOR | 850C | 1981 – 1984 |
| CASE LONG TRACK CRAWLER TRACTOR | 850D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 850E | 1992 – 1994 |
| CASE CRAWLER TRACTOR | 855C | 1984 |
| CASE LONG TRACK CRAWLER TRACTOR | 855D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 855E | 1992 – 1994 |
| CASE TURBO TRENCHER | 860 | 1992 – 2002 |
| CASE CRAWLER EXCAVATOR | 880 | 1971 – 1980 |
| CASE CRAWLER EXCAVATOR | 880B | 1976 – 1980 |
| CASE TURNTABLE LEVELER CRAWLER EXCAVATOR | 888 | 1986 – 1993 |
| CASE EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER | 888B | 1993 – 1996 |
| CASE TURBO TRENCHER | 960 | 1992 – 2004 |
| HYDRA-BORER | CASE | 1988 – 1991 |
| COMPACT WHEEL LOADER STD, ELECTRIC, ZB | CL36EV | — |
| MIDI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V | CX100E | — |
| MINI CRAWLER EXCAVATOR, CAB - STAGE V | CX58D | — |
| MINI CRAWLER EXCAVATOR, CAB - STAGE V | CX60D | — |
| MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V | CX65D | — |
| MIDI CRAWLER EXCAVATOR, CAB - STAGE V | CX70E | — |
| MIDI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V | CX75E | — |
| MIDI CRAWLER EXCAVATOR, CAB - STAGE V | CX85E | — |
| MIDI CRAWLER EXCAVATOR, CAB - STAGE V | CX90E | — |
| TRENCHER - CASE 188 DIESEL ENGINE | DH5 | 1977 – 1980 |
| TRENCHER - CASE 207 DIESEL ENGINE | DH5 | 1977 – 1980 |
| CASE TRENCHER W/LOADER BACKHOE | FH4 | 1982 |
| POCLAIN CRAWLER EXCAVATOR | LC80 | 1966 – 1977 |
| POCLAIN CRAWLER EXCAVATOR | LC80M | 1969 – 1977 |
| CASE FORKLIFT | M3B | 1960 – 1962 |
| DAVIS FLEETLINE 30+4 TRENCHER | P60 | 1970 – 1988 |
| DAVIS FLEETLINE 40+4 TRENCHER | SD100 | 1970 – 1986 |
| SMALL ARTICULATED LOADER | SL27 | — |
| SMALL ARTICULATED LOADER | SL27 TR | — |
| SMALL ARTICULATED LOADER | SL35 TR | — |
| SMALL ARTICULATED LOADER | SL50 TR | — |
| POCLAIN WHEELED EXCAVATOR | TY45 | 1964 – 1981 |
| CASE UNIT LOADER | W11 | 1983 |
| CASE UNIT LOADER | W11B | 1984 – 1993 |
| CASE ARTICULATED WHEEL LOADER | W24 | 1969 – 1972 |
| CASE FORKLIFT | W4 | 1978 – 1983 |
| CASE WHEEL LOADER | W4 | 1978 – 1983 |
| CASE UNIT LOADER | W5 | 1959 – 1962 |
| CASE WHEEL LOADER | W7 | 1962 – 1968 |
| CASE WHEEL LOADER | W8B | 1964 – 1968 |
| CASE WHEEL LOADER | W8C | 1969 |