Screw Thumb Knob

Enhance your Case Construction equipment with the durable Screw Thumb Knob #273890. Designed for optimal performance, this essential part ensures easy operation and reliable functionality, making it a must-have for heavy equipment maintenance and efficiency.

Compatible equipment

This part fits SPEEDROWER SELF-PROPELLED WINDROWER, NH ROUND BALE FEEDER, NH GRINDER MIXER, SKID STEER - SERIES 3 410 NA ASN N7M480924 410 EU ASN N7M468736, 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 BSN 430 NA N7M479683 430 EU N7M479546, SKID STEER - TIER 3 ASN N7M425032, 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 3 P.I.N. N7M464019 & AFTER, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, SKID STEER - TIER 3 ASN N7M452623, NH 3-TIE IN-LINE SQUARE BALER, NH PULL TYPE FORAGE HARVESTER, NH 3-TIE INLINE SQUARE BALER, COMPACT TRACK LOADER P.I.N. N7M466429 & AFTER (NA), COMPACT TRACK LOADER P.I.N. N7M466428 & PRIOR, COMPACT TRACK LOADER P.I.N. N8M469897 & PRIOR - NA, COMPACT TRACK LOADER P.I.N. N8M469898 & AFTER (NA), COMPACT TRACK LOADER P.I.N. N7M457281 & PRIOR, COMPACT TRACK LOADER P.I.N. N7M457282 & AFTER, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 4B, COMPACT TRACK LOADER - TIER 4A, COMPACT TRACK LOADER - TIER 4B-C, SKID STEER - NA, SKID STEER - P.I.N. N7M466067 & PRIOR - NA, SKID STEER - P.I.N. N7M448077 & PRIOR - NA, SKID STEER - P.I.N. N7M448078 & AFTER - NA, SKID STEER LOADER (NA) - 2006 - N7M456356 & PRIOR, SKID STEER LOADER (NA) - 2008 - N7M456357 & AFTER, SKID STEER LOADER, SKID STEER LOADER - 1 SPEED (NA), SKID STEER LOADER - 2 SPEED (NA), SKID STEER - P.I.N. N8M464425 & PRIOR - NA, SKID STEER LOADER - 1 SPEED P.I.N. N8M464428 & AFTER (NA), SKID STEER LOADER - 2 SPEED P.I.N. N8M464426 & AFTER (NA), SKID STEER LOADER (NA), SKID STEER LOADER - 1 SPEED (NA) P.I.N. N8M465249 & AFTER, SKID STEER LOADER - 2 SPEED (NA) P.I.N. N8M465247 & AFTER, SKID STEER LOADER P.I.N. N7M459486 & PRIOR, SKID STEER LOADER P.I.N. N7M459487 & AFTER, SKID STEER ENGINE - N844, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 4B, SKID STEER LOADER - TIER 4A, SKID STEER LOADER - TIER 4B-C, SKID STEER LOADER - NA, FIAT KOBELCO SKID STEER LOADER (AFTER S/N 28859), FIAT-HITACHI SKID STEER LOADER (BEFORE S/N 28858), SKID STEER LOADER TIER 4, CASE IH SELF PROPELLED WINDROWER TRACTOR including models 1118, 175F, 355, 357, 358, 359, 410, 420, 420CT, 430, 435, 440, 440CT, 445, 445CT, 450, 450CT, 465, 585, 790, 900, BB900, C175, C185, C190.

Frequently asked questions

What is the part number?

The manufacturer part number is 273890.

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.