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Technical Data Sheet

SM91-2 — Technical Data Sheet

✓ 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 HANDLE,BOW is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System under NSN 5340-00-840-0955, 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
SM91-2
NSN: 5340-00-840-0955
FSC: 5340
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
Part NumberSM91-2
NSN5340-00-840-0955
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM91-2 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 20
NASM39087Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
19652InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SC-D-98143-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
214A19InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0019652InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DF0061074InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM91-2?
SM91-2 is a HANDLE,BOW.
What parts can replace SM91-2?
There are 20 known substitutes for SM91-2: NASM39087, 19652, SC-D-98143-5 and 17 more. Substitute compatibility should be verified for your specific system.
Is SM91-2 still available?
SM91-2 is currently cancelled.
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