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1678-83-809-1131 — LEVER,LOCK-RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1678-83-809-1131: LEVER,LOCK-RELEASE.

The LEVER,LOCK-RELEASE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-730-4186, 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
1678-83-809-1131
NSN: 5340-01-730-4186
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number1678-83-809-1131
NSN5340-01-730-4186
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1678-83-809-1131 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 4
8838091Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
R5470253-131Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LSA005051-131Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
218121927Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1678-83-809-1131?
1678-83-809-1131 is a LEVER,LOCK-RELEASE.
What parts can replace 1678-83-809-1131?
There are 4 known substitutes for 1678-83-809-1131: 8838091, R5470253-131, LSA005051-131 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1678-83-809-1131?
1678-83-809-1131 is cataloged in the U.S. Government catalog under NSN 5340-01-730-4186. 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.