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2-377N304-75 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-377N304-75: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 10.330 INCHES MINIMUM AND 10.460 INCHES MAXIMUM IN, center_hole_diameter: 9.945 INCHES MINIMUM AND 10.006 INCHES MAXIMUM IN, cross-sectional_height: 0.206 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-147-4064, 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
2-377N304-75
NSN: 5331-01-147-4064
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter10.330 INCHES MINIMUM AND 10.460 INCHES MAXIMUM IN
center_hole_diameter9.945 INCHES MINIMUM AND 10.006 INCHES MAXIMUM IN
cross-sectional_height0.206 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-01-147-4064
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-377N304-75 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: 0.206 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 10.330 INCHES MINIMUM AND 10.460 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 9.945 INCHES MINIMUM AND 10.006 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.206 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER10.330 INCHES MINIMUM AND 10.460 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER9.945 INCHES MINIMUM AND 10.006 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 2
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS28775-377Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-377N304-75?
2-377N304-75 is a O-RING.
What parts can replace 2-377N304-75?
There are 2 known substitutes for 2-377N304-75: SAE-AS28775, MS28775-377. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-377N304-75?
2-377N304-75 is cataloged in the U.S. Government catalog under NSN 5331-01-147-4064. This indicates validated use in U.S. government and defense supply chains.
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