PartsTable
Technical Data Sheet
2CD371 ✓ 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

The O-RING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-199-6163, 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
2CD371
NSN: 5331-01-199-6163
FSC: 5331 — O-RING
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number2CD371
NSN5331-01-199-6163
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2CD371 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 6
1400-10Interchangeable
interchangeable cross-reference
interchangeable
644569-7Interchangeable
interchangeable cross-reference
interchangeable
1400-15Interchangeable
interchangeable cross-reference
interchangeable
235-7426P5Interchangeable
interchangeable cross-reference
interchangeable
MAG5011Interchangeable
interchangeable cross-reference
interchangeable
LE103MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2CD371?
2CD371 is a O-RING.
What parts can replace 2CD371?
There are 6 known substitutes for 2CD371: 1400-10, 644569-7, 1400-15 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2CD371?
2CD371 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-199-6163. This indicates validated use in U.S. government and defense supply chains.
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