Nut Square

Enhance your heavy equipment performance with the Case Construction Nut Square #230427A1. Designed for durability and precision, this essential component ensures secure fittings and reliable operation, making it a must-have for any Case machinery maintenance.

Compatible equipment

This part fits SERIES 3 CRAWLER DOZER TIER 3 (NA/EU), CRAWLER DOZER - TIER 4A, CRAWLER DOZER - TIER 4B, CRAWLER DOZER TIER 3 (NA/EU) (HYDRO), CASE SKID STEER LOADER, SKID STEER - 410 NA BSN N7M480924 410 EU BSN N7M468736, SKID STEER - SERIES 3 410 NA ASN N7M480924 410 EU ASN N7M468736, SKID STEER - 420NA BSN N7M466710 420EU BSN N8M466713, SKID STEER - TIER 3 420NA N7M466710 420EU ASN N8M466713, COMPACT TRACK LOADER - BSN N7M455401, COMPACT TRACK LOADER - SERIES 3 ASN N7M455401, SKID STEER - SERIES 3 ASN 430 NA N7M479683 430 EU N7M479546, SKID STEER BSN 430 NA N7M479683 430 EU N7M479546, SKID STEER - 440 NA BSN N8M474469 440 EU BSN N8M407542, SKID STEER - SERIES 3 440 NA ASN N8M474469 440 EU ASN N8M407542, COMPACT TRACK LOADER - BSN N7M483467, COMPACT TRACK LOADER - SERIES 3 ASN N7M483467, SKID STEER - TIER 3 ASN N7M454787, COMPACT TRACK LOADER - TIER 3 ASN N8M458846, SKID STEER TIER 2 P.I.N. N7M458414 & PRIOR, SKID STEER TIER 3 P.I.N. N7M464019 & AFTER, COMPACT TRACK LOADER - BSN N7M464019, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, SKID STEER - TIER 3 ASN N7M452623, SKID STEER BSN N7M452623, LOADER LANDSCAPER, LOADER BACKHOE (NORTH AMERICA), SERIES 2 LOADER BACKHOE - ASN JJG0239360, LOADER BACKHOE - BSN JJG0239361, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, 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 3, CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU), COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 4B, COMPACT TRACK LOADER - TIER 4A, COMPACT TRACK LOADER - TIER 4B-C, COMPACT TRACK LOADER - TIER 3 - ROW, COMPACT TRACK LOADER - TIER 4F - NA, CRAWLER DOZER - NA, CRAWLER DOZER, SKID STEER ENGINE - N844, SKID STEER LOADER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 4B, SKID STEER LOADER - TIER 4A, SKID STEER LOADER - TIER 4B-C, SKID STEER LOADER - TIER 3 - ROW, SKID STEER LOADER - TIER 4F - NA, SKID STEER LOADER TIER 4 including models 1150K, 1150M LT, 1150M WT, 1150M WT/LGP, 1650L, 1650M LGP PAT, 1650M WT/LGP, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 2050M LGP BD, 2050M LGP PAT, 2050M LT, 2050M LT BD, 2050M LT PAT, 2050M WT/LGP, 2050M XLT BD, 2050M XLT PAT, 40XT, 410, 420, 420CT, 430, 440, 440CT.

Frequently asked questions

What is the part number?

The manufacturer part number is 230427A1.

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.