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OR278.99X2.62MM-80EP — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

OR278.99X2.62MM-80EP: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 10.984 INCHES NOMINAL IN, cross-sectional_height: 0.103 INCHES NOMINAL IN, end_item_identification: BRADLEY ARMORED RECONNAISSANCE AIRBORNE ASSAULT VEHICLE M2A3,2350014360005. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-478-3346, 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
OR278.99X2.62MM-80EP
NSN: 5331-01-478-3346
FSC: 5331 — O-ring
CAGE: 62351 — APPLE RUBBER PRODUCTS, INC. DBA APPLE RUBBER PRODUCTS INC (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating80.0 SHORE DUROMETER A NOMINAL
center_hole_diameter10.984 INCHES NOMINAL IN
cross-sectional_height0.103 INCHES NOMINAL IN
end_item_identificationBRADLEY ARMORED RECONNAISSANCE AIRBORNE ASSAULT VEHICLE M2A3,2350014360005
NSN5331-01-478-3346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OR278.99X2.62MM-80EP 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: 0.103 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 10.984 INCHES NOMINAL IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER10.984 INCHES NOMINAL IN
END ITEM IDENTIFICATIONBRADLEY ARMORED RECONNAISSANCE AIRBORNE ASSAULT VEHICLE M2A3,2350014360005
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
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 1
278.99X2.62MM-80EPReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is OR278.99X2.62MM-80EP?
OR278.99X2.62MM-80EP is a O-RING.
What parts can replace OR278.99X2.62MM-80EP?
There is 1 known substitute for OR278.99X2.62MM-80EP: 278.99X2.62MM-80EP. Substitute compatibility should be verified for your specific system.
What is the NSN for OR278.99X2.62MM-80EP?
OR278.99X2.62MM-80EP is cataloged in the U.S. Government catalog under NSN 5331-01-478-3346. This indicates validated use in U.S. government and defense supply chains.
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