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09-28389 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

09-28389: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. This part is cataloged in the U.S. Government catalog under NSN 5340-00-382-8027, 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
09-28389
NSN: 5340-00-382-8027
FSC: 5340 — Hardware, Commercial
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
Part Number09-28389
NSN5340-00-382-8027
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 09-28389 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
SUBSTITUTES & CROSS-REFERENCES 9
25436Reference document
Same NSN cross-reference
Reference document — Secondary reference
F400I00228Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AB0070862771Reference document
Same NSN cross-reference
Reference document — Secondary reference
10M104Reference document
Same NSN cross-reference
Reference document — Secondary reference
862771Reference document
Same NSN cross-reference
Reference document — Secondary reference
28389Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 09-28389?
09-28389 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 09-28389?
There are 9 known substitutes for 09-28389: 25436, F400I00228, AB0070862771 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 09-28389?
09-28389 is cataloged in the U.S. Government catalog under NSN 5340-00-382-8027. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.