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8KP121 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8KP121: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-474-1785, 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
8KP121
NSN: 5331-01-474-1785
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS) ROLLER, VIBRATORY, SELF-PROPELLED, TYPE II CATERPILLAR MODEL CS-563D CONTRACT NO. DAAE07-98-C-S007 NSN 3895-01-456-2735 TM -5-3895-383
NSN5331-01-474-1785
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8KP121 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS) ROLLER, VIBRATORY, SELF-PROPELLED, TYPE II CATERPILLAR MODEL CS-563D CONTRACT NO. DAAE07-98-C-S007 NSN 3895-01-456-2735 TM -5-3895-383
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
033-6033Same 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 8KP121?
8KP121 is a O-RING.
What parts can replace 8KP121?
There is 1 known substitute for 8KP121: 033-6033. Substitute compatibility should be verified for your specific system.
What is the NSN for 8KP121?
8KP121 is cataloged in the U.S. Government catalog under NSN 5331-01-474-1785. This indicates validated use in U.S. government and defense supply chains.
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