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3P-0439 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3P-0439: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, special_features: WT. .01 LBS LBS, center_hole_diameter: 63.1 MILLIMETERS NOMINAL MM, cross-sectional_height: 3.5 MILLIMETERS NOMINAL MM, end_item_identification: CATERPILLAR ENGINE 953B.

This part is cataloged in the U.S. Government catalog under NSN 5331-01-429-5227, 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
3P-0439
NSN: 5331-01-429-5227
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
hardness_rating90.0 SHORE DUROMETER A NOMINAL
special_featuresWT. .01 LBS LBS
center_hole_diameter63.1 MILLIMETERS NOMINAL MM
cross-sectional_height3.5 MILLIMETERS NOMINAL MM
end_item_identificationCATERPILLAR ENGINE 953B
NSN5331-01-429-5227
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3P-0439 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: 3.5 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 63.1 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT3.5 MILLIMETERS NOMINAL MM
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
SPECIAL FEATURESWT. .01 LBS LBS
CENTER HOLE DIAMETER63.1 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONCATERPILLAR ENGINE 953B
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3P-0439?
3P-0439 is a O-RING.
What is the NSN for 3P-0439?
3P-0439 is cataloged in the U.S. Government catalog under NSN 5331-01-429-5227. This indicates validated use in U.S. government and defense supply chains.
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