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425-8307 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

425-8307: 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: 4.980 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN, center_hole_diameter: 4.442 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-579-3164, 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
425-8307
NSN: 5331-00-579-3164
NIINs: 005793164, 016624711
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter4.980 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN
center_hole_diameter4.442 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5331-00-579-3164
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 425-8307 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: 4.980 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 4.442 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.980 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER4.442 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 5
MS28775-425Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
PRP425-8307Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS28775-425Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6227-88Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0657036Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 425-8307?
425-8307 is a O-RING.
What parts can replace 425-8307?
There are 5 known substitutes for 425-8307: MS28775-425, PRP425-8307, AS28775-425 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 425-8307?
425-8307 is cataloged in the U.S. Government catalog under NSN 5331-00-579-3164. This indicates validated use in U.S. government and defense supply chains.
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