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2-428 N304-75 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-428 N304-75: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 5.400 INCHES NOMINAL IN, center_hole_diameter: 4.817 INCHES MINIMUM AND 4.883 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-894-1039, 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
2-428 N304-75
NSN: 5331-00-894-1039
NIINs: 008941039, 011074960
FSC: 5331 — O-ring
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter5.400 INCHES NOMINAL IN
center_hole_diameter4.817 INCHES MINIMUM AND 4.883 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5331-00-894-1039
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-428 N304-75 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: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.355 INCHES MINIMUM AND 5.445 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.835 INCHES MINIMUM AND 4.865 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.355 INCHES MINIMUM AND 5.445 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.835 INCHES MINIMUM AND 4.865 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 7
2300-79243Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28775-428Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0810187Reference document
Same NSN cross-reference
Reference document — Informative reference only
V1E10601 ITEM 40Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1276-06-633Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PRP568-428-4067-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-428 N304-75?
2-428 N304-75 is a O-RING.
What parts can replace 2-428 N304-75?
There are 7 known substitutes for 2-428 N304-75: 2300-79243, MS28775-428, 5331PL0810187 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-428 N304-75?
2-428 N304-75 is cataloged in the U.S. Government catalog under NSN 5331-00-894-1039. This indicates validated use in U.S. government and defense supply chains.
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