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Technical Data Sheet
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154-1581 — RING,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

154-1581: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-321-4832, 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
154-1581
NSN: 5330-01-321-4832
NIINs: 013214832, 015876108
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number154-1581
NSN5330-01-321-4832
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 154-1581 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 3
1134634Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2W9301Reference document
Same NSN cross-reference
Reference document — Secondary reference
7W9743Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 154-1581?
154-1581 is a RING,RETAINING.
What parts can replace 154-1581?
There are 3 known substitutes for 154-1581: 1134634, 2W9301, 7W9743. Substitute compatibility should be verified for your specific system.
What is the NSN for 154-1581?
154-1581 is cataloged in the U.S. Government catalog under NSN 5330-01-321-4832. This indicates validated use in U.S. government and defense supply chains.
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