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75476 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

75476: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include coil_form_type: SOLID, end_item_identification: M-S-A EXPLOSIMETER, MODEL 5. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-618-0799, 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
75476
NSN: 5331-00-618-0799
NIINs: 006180799, 010483820
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
coil_form_typeSOLID
end_item_identificationM-S-A EXPLOSIMETER, MODEL 5
NSN5331-00-618-0799
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 75476 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
701152-018Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
018-7377Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
18,77X1,78-24B7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7377-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-018 N304-75Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1446-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 75476?
75476 is a O-RING.
What parts can replace 75476?
There are 9 known substitutes for 75476: 701152-018, 018-7377, 18,77X1,78-24B7 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 75476?
75476 is cataloged in the U.S. Government catalog under NSN 5331-00-618-0799. 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.