PartsTable
Technical Data Sheet
R6491202-F120 ✓ 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 5331-01-734-3237, 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
R6491202-F120
NSN: 5331-01-734-3237
FSC: 5331 — O-RING
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR6491202-F120
NSN5331-01-734-3237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R6491202-F120 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 25
AS568C-223Interchangeable
interchangeable cross-reference
interchangeable
2-223 N552-90Interchangeable
interchangeable cross-reference
interchangeable
ASTM D2000-01-M3CH910B34E016E036Interchangeable
interchangeable cross-reference
interchangeable
S10J139-161Interchangeable
interchangeable cross-reference
interchangeable
AS568-223Interchangeable
interchangeable cross-reference
interchangeable
AMS3304-223ESInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R6491202-F120?
R6491202-F120 is a O-RING.
What parts can replace R6491202-F120?
There are 25 known substitutes for R6491202-F120: AS568C-223, 2-223 N552-90, ASTM D2000-01-M3CH910B34E016E036 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R6491202-F120?
R6491202-F120 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-734-3237. This indicates validated use in U.S. government and defense supply chains.
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