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3135778 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3135778: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: TUBE OUTSIDE DIAMETER 0.25 IN.,WIDTH 0.07 IN.,N0552 IS THE STANDARD COMPOUND 90 DUROMETER NITRILE NBR IN, center_hole_diameter: 0.350 INCHES NOMINAL IN, end_item_identification: 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV). This part is cataloged in the U.S.

Government catalog under NSN 5331-01-541-1319, 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
3135778
NSN: 5331-01-541-1319
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_featuresTUBE OUTSIDE DIAMETER 0.25 IN.,WIDTH 0.07 IN.,N0552 IS THE STANDARD COMPOUND 90 DUROMETER NITRILE NBR IN
center_hole_diameter0.350 INCHES NOMINAL IN
end_item_identification4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
NSN5331-01-541-1319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3135778 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: 0.350 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTUBE OUTSIDE DIAMETER 0.25 IN.,WIDTH 0.07 IN.,N0552 IS THE STANDARD COMPOUND 90 DUROMETER NITRILE NBR IN
CENTER HOLE DIAMETER0.350 INCHES NOMINAL IN
END ITEM IDENTIFICATION4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
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 3
17KP659Reference document
Same NSN cross-reference
Reference document — Secondary reference
3-904 N0552Reference document
Same NSN cross-reference
Reference document — Secondary reference
7HB864Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3135778?
3135778 is a O-RING.
What parts can replace 3135778?
There are 3 known substitutes for 3135778: 17KP659, 3-904 N0552, 7HB864. Substitute compatibility should be verified for your specific system.
What is the NSN for 3135778?
3135778 is cataloged in the U.S. Government catalog under NSN 5331-01-541-1319. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.