Nut Thin

Enhance your heavy equipment performance with the Case Construction Nut Thin #16980331. Designed for durability and precision, this essential part ensures secure fittings and optimal operation in demanding construction environments. Trust Case for reliability and quality in every project.

Compatible equipment

This part fits WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), WHEEL LOADER TIER 4 (NA), DROTT CRAWLER EXCAVATOR, COMPACT WHEEL LOADER TIER 3, SKID STEER - TIER 3 420NA N7M466710 420EU ASN N8M466713, COMPACT TRACK LOADER - SERIES 3 ASN N7M455401, SKID STEER - SERIES 3 ASN 430 NA N7M479683 430 EU N7M479546, SKID STEER - TIER 3 ASN N7M425032, SKID STEER - TIER 3 ASN N7M454787, COMPACT TRACK LOADER - TIER 3 ASN N8M458846, WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 / TIER 2 (NA), WHEEL LOADER TIER 3 NA/EU, WHEEL LOADER TIER 3 (NA/EU), ENGINE 504176180 - 87546691, ENGINE 504234738 - 87530652, ENGINE 504387947 - 84230116, ENGINE 504387948 - 84171653., ENGINE 504387946 - 84230115., ENGINE 504162758 - 87380451, ENGINE 504234736 - 87546691, ENGINE - 504222830, SKID STEER LOADER, SKID STEER LOADER - TIER 3 - ROW, SKID STEER LOADER - NRC, TRACTOR - TIER 4A (NA) - S/N ZXXT5XXXX, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 3 - ROW including models 1021F, 1021G, 1121F, 1121G, 120, 121E SERIES 3, 21E SERIES 3, 221E SERIES 3, 321E SERIES 3, 420, 420CT, 430, 435, 445, 445CT, 521E, 521F, 521G, 621E, 621F, 621G, 721E, 721F, 721G, 821E.

Frequently asked questions

What is the part number?

The manufacturer part number is 16980331.

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.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.