Lock Washer

Enhance the durability of your heavy equipment with Case Construction Lock Washer #280681. 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 LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, SERIES 2 LOADER BACKHOE - ASN JJG0239360, LOADER BACKHOE - BSN JJG0239361, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, MINI CRAWLER EXCAVATOR ASN N4TN31001 -, PW12 - MINI CRAWLER EXCAVATOR - BTW PW11-30001 - PW12-40000, MINI CRAWLER EXCAVATOR, MINI CRAWLER EXCAVATOR - BTW PW11-30001 - PW12-40000, EXCAVATOR including models 570LXT, 570MXT, 580L, 580SL, 590L, 590SL, CX20B, CX22B N4, CX27B PW11, CX31B, CX50B, CX50B PJ04.

Frequently asked questions

What is the part number?

The manufacturer part number is 280681.

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.