PartsTable
Technical Data Sheet
Download PDF

3KK978 — CLIP,SPRING TENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3KK978: CLIP,SPRING TENSION.

The CLIP,SPRING TENSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-475-0054, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3KK978
NSN: 5340-01-475-0054
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number3KK978
NSN5340-01-475-0054
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3KK978 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX)(MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P; HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR)
SUBSTITUTES & CROSS-REFERENCES 1
102063009098Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 3KK978?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3KK978?
3KK978 is a CLIP,SPRING TENSION.
What parts can replace 3KK978?
There is 1 known substitute for 3KK978: 102063009098. Substitute compatibility should be verified for your specific system.
What is the NSN for 3KK978?
3KK978 is cataloged in the U.S. Government catalog under NSN 5340-01-475-0054. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3KK978

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.