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Technical Data Sheet
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3868122 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-577-3331, 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
3868122
NSN: 5340-01-577-3331
FSC: 5340
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
Part Number3868122
NSN5340-01-577-3331
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3868122 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
3330264 PIECE 27Interchangeable
interchangeable cross-reference
interchangeable
3100-18Interchangeable
interchangeable cross-reference
interchangeable
5100-18Interchangeable
interchangeable cross-reference
interchangeable
2389210A1Interchangeable
interchangeable cross-reference
interchangeable
200123693Interchangeable
interchangeable cross-reference
interchangeable
A912682-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3868122?
3868122 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 3868122?
There are 19 known substitutes for 3868122: 3330264 PIECE 27, 3100-18, 5100-18 and 16 more. Substitute compatibility should be verified for your specific system.
Is 3868122 still available?
3868122 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026