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238-5079 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

238-5079: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, outside_diameter: 10.91 MILLIMETERS NOMINAL MM, special_features: MATERIAL: FLUOROCARBON FKM; OEM STATES ITEM'S SHELF LIFE IS INDEFINITE, center_hole_diameter: 7.65 MILLIMETERS NOMINAL MM, cross-sectional_height: 1.63 MILLIMETERS NOMINAL MM, end_item_identification: MRAP - M-ATV UI. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-633-1263, 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
238-5079
NSN: 5331-01-633-1263
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER
outside_diameter10.91 MILLIMETERS NOMINAL MM
special_featuresMATERIAL: FLUOROCARBON FKM; OEM STATES ITEM'S SHELF LIFE IS INDEFINITE
center_hole_diameter7.65 MILLIMETERS NOMINAL MM
cross-sectional_height1.63 MILLIMETERS NOMINAL MM
end_item_identificationMRAP - M-ATV UI
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-633-1263
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 238-5079 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: 1.63 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 10.91 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 7.65 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT1.63 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER10.91 MILLIMETERS NOMINAL MM
SPECIAL FEATURESMATERIAL: FLUOROCARBON FKM; OEM STATES ITEM'S SHELF LIFE IS INDEFINITE
CENTER HOLE DIAMETER7.65 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONMRAP - M-ATV UI
MATERIALRUBBER
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
4185874Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 238-5079?
238-5079 is a O-RING.
What parts can replace 238-5079?
There is 1 known substitute for 238-5079: 4185874. Substitute compatibility should be verified for your specific system.
What is the NSN for 238-5079?
238-5079 is cataloged in the U.S. Government catalog under NSN 5331-01-633-1263. This indicates validated use in U.S. government and defense supply chains.
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