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10037951 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10037951: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, end_item_identification: 4240-01-587-6781 FIREHAWK M7 SECONDSTAGE REGULATOR SCBA ASSEMBLY SHIP SET P/N 10102292. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-600-1502, 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
10037951
NSN: 5331-01-600-1502
FSC: 5331 — O-ring
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
end_item_identification4240-01-587-6781 FIREHAWK M7 SECONDSTAGE REGULATOR SCBA ASSEMBLY SHIP SET P/N 10102292
NSN5331-01-600-1502
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10037951 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
KEY FEATURES
•
COLOR: BLACK
•
MATERIAL: RUBBER BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
COLORBLACK
END ITEM IDENTIFICATION4240-01-587-6781 FIREHAWK M7 SECONDSTAGE REGULATOR SCBA ASSEMBLY SHIP SET P/N 10102292
MATERIALRUBBER BUTADIENE NITRILE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 10037951?
10037951 is a O-RING.
What is the NSN for 10037951?
10037951 is cataloged in the U.S. Government catalog under NSN 5331-01-600-1502. 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.