Nut Jam 1/2-20 Gr 5 Znd

Enhance your heavy equipment performance with the Case Construction Nut Jam 1/2-20 Gr 5 Znd #425-158. This durable, zinc-plated nut ensures secure fastening and reliability, making it an essential component for your construction machinery.

Compatible equipment

This part fits CASE TERRATRAC CRAWLER TRACTOR (S/N 7010001 TO 7100001), DAVIS TASKFORCE SUPER TRENCHER, CASE TERRATRAC CRAWLER TRACTOR (S/N 7103001 & AFTER), CASE CRAWLER TRACTOR (S/N 7103001 & AFTER), CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER), CASE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA), UTILITY BACKHOE, LOADER AND BACKHOE, BACKHOE, LOADER, BACKHOE AND LOADER FOR 530CK TRACTORS, CASE TERRATRAC CRAWLER TRACTOR (S/N 3000001 TO 3008132), BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, BACKHOE FOR CRAWLER MODELS 750 850 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750 850 1150, 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, DROTT SERIES-A CRAWLER EXCAVATOR, CASE SKID STEER LOADER, CASE CRAWLER TRACTOR (S/N 3008188 TO 3012300), CASE CONSTRUCTION KING WHEEL TRACTOR, CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436), CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), CASE CRAWLER TRACTOR (S/N 3060306 & AFTER), CASE LONG TRACK CRAWLER TRACTOR, CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE CONSTRUCTION KING LOADER BACKHOE, CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE LOAD KING WHEEL LOADER, IND - CASE CRAWLER TRACTOR, CASE CONSTRUCTION KING FORKLIFT, CASE CONSTRUCTION KING TRACTOR (BSN 8685800) (NORTH AMERICA), CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING LOADER BACKHOE AFTER S/N 3739160 (EUROPE), CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE), LOADER BACKHOE (NORTH AMERICA), CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE TERRATRAC CRAWLER TRACTOR (DIESEL), CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CRAWLER DOZER TIER 3 (HYDRO), CRAWLER DOZER - TIER 4B, CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968, CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 9111009 & AFTER), CASE TELESCOPIC HANDLER, DAVIS TASK FORCE TRENCHER, CASE CRAWLER TRACTOR (AFTER S/N 7070351), CASE CRAWLER TRACTOR (BEFORE S/N 7070351), CRAWLER DOZER TIER 3, CRAWLER DOZER - TIER 4A, CASE CRAWLER TRACTOR (UP TO S/N 7083999), CASE INDUSTRIAL CRAWLER TRACTOR (AFTER S/N 7084000), CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), CASE WHEEL LOADER (S/N JEE0155001 & AFTER), CASE CRAWLER TRACTOR (EUROPE), CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE CRAWLER EXCAVATOR (S/N 6203751 & AFTER), MAXI-SNEAKER CABLE LAYER, SERIES-B MAXI-SNEAKER CABLE LAYER, SERIES-B MINI-SNEAKER CABLE LAYER, FLEETLINE 16 4 TRENCHER, FLEETLINE 25 4 TRENCHER, TRENCHER - CASE 219 ENGINE, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25 4XP TRENCHER, DAVIS MINI-SNEAKER CABLE LAYER, CASE UNIT LOADER (PRIOR TO S/N 8229367), CASE WHEEL LOADER (S/N 8208732 TO 9808999), CASE WHEEL LOADER (S/N 9809000 TO 9811800), CASE WHEEL LOADER (S/N 9811801 & AFTER), CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER), CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672), CASE ARTICULATED WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 9123140), CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9120696), CASE ARTICULATED WHEEL LOADER W/POD CAB (S/N 9120696 & AFTER), CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE WHEEL LOADER (S/N 17754000 & AFTER), CASE FORKLIFT, CASE WHEEL LOADER (S/N 8174260 & AFTER), CASE WHEEL LOADER (S/N 9811301 & AFTER) (NORTH AMERICA), CASE UNIT LOADER (S/N 8160001 TO 8208732) including models 1000, 1000C, 1000D, 1080, 1080B, 1085C, 1150, 1150B, 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E, 1187, 1187B, 1187C, 1280, 1280B, 1450, 1450B, 1455B, 1840, 1845C.

Frequently asked questions

What is the part number?

The manufacturer part number is 425-158.

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.

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.