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3P-0657 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3P-0657: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: WEIGHS 0.020 POUNDS; OUTSIDE DIA. 2.475 IN.

NOMINAL LBS, center_hole_diameter: 0.210 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5331-01-485-8921, 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-0657
NSN: 5331-01-485-8921
FSC: 5331 — O-ring
CAGE: 409BB — NAVANTIA - PROPULSION Y ENERGIA MOTORES - CARTAGENA (ESP)
SPECIFICATIONS
special_featuresWEIGHS 0.020 POUNDS; OUTSIDE DIA. 2.475 IN. NOMINAL LBS
center_hole_diameter0.210 INCHES NOMINAL IN
NSN5331-01-485-8921
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3P-0657 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
•
CENTER HOLE DIAMETER: 0.210 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESWEIGHS 0.020 POUNDS; OUTSIDE DIA. 2.475 IN. NOMINAL LBS
CENTER HOLE DIAMETER0.210 INCHES NOMINAL IN
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
10076355Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3P-0657?
3P-0657 is a O-RING.
What parts can replace 3P-0657?
There is 1 known substitute for 3P-0657: 10076355. Substitute compatibility should be verified for your specific system.
What is the NSN for 3P-0657?
3P-0657 is cataloged in the U.S. Government catalog under NSN 5331-01-485-8921. This indicates validated use in U.S. government and defense supply chains.
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