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Technical Data Sheet
PartsTable / COMPONENT / 315R91
315R91 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BAIL,RETAINING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-358-4312, 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
315R91
NSN: 5340-00-358-4312
FSC: 5340
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
Part Number315R91
NSN5340-00-358-4312
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 315R91 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
47185Interchangeable
interchangeable cross-reference
interchangeable
A3011AInterchangeable
interchangeable cross-reference
interchangeable
3011AInterchangeable
interchangeable cross-reference
interchangeable
201572Interchangeable
interchangeable cross-reference
interchangeable
201572HInterchangeable
interchangeable cross-reference
interchangeable
855587Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 315R91?
315R91 is a BAIL,RETAINING.
What parts can replace 315R91?
There are 8 known substitutes for 315R91: 47185, A3011A, 3011A and 5 more. Substitute compatibility should be verified for your specific system.
Is 315R91 still available?
315R91 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026