Lock Washer
Case Construction ·20 Fitments
| Machine | Model | Years |
|---|---|---|
| SKID STEER BSN 430 NA N7M479683 430 EU N7M479546 | 430 | 2005 – 2008 |
| SKID STEER - 440 NA BSN N8M474469 440 EU BSN N8M407542 | 440 | 2005 – 2008 |
| COMPACT TRACK LOADER - BSN N7M483467 | 440CT | 2006 – 2007 |
| SKID STEER - BSN N7M454787 | 445 | 2004 – 2007 |
| COMPACT TRACK LOADER - BSN N8M458846 | 445CT | 2005 – 2007 |
| SKID STEER TIER 2 P.I.N. N7M458414 & PRIOR | 450 | 2005 – 2007 |
| COMPACT TRACK LOADER - BSN N7M464019 | 450CT | 2005 – 2007 |
| SKID STEER BSN N7M452623 | 465 | 2005 – 2007 |
| SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C303000 | 580M | 2004 – 2008 |
| BACKHOE LOADER - TIER 3 NRC | 580N | 2015 – 2016 |
Enhance the durability of your heavy equipment with Case Construction Lock Washer #504079852. 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 SKID STEER BSN 430 NA N7M479683 430 EU N7M479546, SKID STEER - 440 NA BSN N8M474469 440 EU BSN N8M407542, COMPACT TRACK LOADER - BSN N7M483467, SKID STEER - BSN N7M454787, COMPACT TRACK LOADER - BSN N8M458846, SKID STEER TIER 2 P.I.N. N7M458414 & PRIOR, COMPACT TRACK LOADER - BSN N7M464019, SKID STEER BSN N7M452623, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C303000, BACKHOE LOADER - TIER 3 NRC, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C304000, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C307000, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C309000, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, ENGINE 5801503632 - 84497773. including models 430, 440, 440CT, 445, 445CT, 450, 450CT, 465, 580M, 580N, 580SM, 590SM, 621D, 650K, 750K, 850K, F4GE9454K J604.
Frequently asked questions
What is the part number?
The manufacturer part number is 504079852.
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
- 504079852
- Internal SKU
- IC:504079852
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.0 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 20 fitments
| Machine | Model | Years |
|---|---|---|
| SKID STEER BSN 430 NA N7M479683 430 EU N7M479546 | 430 | 2005 – 2008 |
| SKID STEER - 440 NA BSN N8M474469 440 EU BSN N8M407542 | 440 | 2005 – 2008 |
| COMPACT TRACK LOADER - BSN N7M483467 | 440CT | 2006 – 2007 |
| SKID STEER - BSN N7M454787 | 445 | 2004 – 2007 |
| COMPACT TRACK LOADER - BSN N8M458846 | 445CT | 2005 – 2007 |
| SKID STEER TIER 2 P.I.N. N7M458414 & PRIOR | 450 | 2005 – 2007 |
| COMPACT TRACK LOADER - BSN N7M464019 | 450CT | 2005 – 2007 |
| SKID STEER BSN N7M452623 | 465 | 2005 – 2007 |
| SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C303000 | 580M | 2004 – 2008 |
| BACKHOE LOADER - TIER 3 NRC | 580N | 2015 – 2016 |
| SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C304000 | 580SM | 2004 – 2008 |
| SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C307000 | 580SM | 2004 – 2008 |
| SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C309000 | 590SM | 2003 – 2008 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 621D | 2002 – 2007 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 650K | 2005 – 2008 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 650K | 2005 – 2008 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 750K | 2005 – 2008 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 850K | 2005 – 2008 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 850K | 2005 – 2008 |
| ENGINE 5801503632 - 84497773. | F4GE9454K J604 | 2007 – 2010 |