PartsTable
Technical Data Sheet
E649-2102-F129 ✓ 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 5331-01-699-2274, 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
E649-2102-F129
NSN: 5331-01-699-2274
FSC: 5331 — O-RING
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberE649-2102-F129
NSN5331-01-699-2274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E649-2102-F129 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 28
D-WK-492-A43 ITEM 14-22Interchangeable
interchangeable cross-reference
interchangeable
FF-101-0 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
N0674 2-114Interchangeable
interchangeable cross-reference
interchangeable
2-114C557-70Interchangeable
interchangeable cross-reference
interchangeable
200-809P3Interchangeable
interchangeable cross-reference
interchangeable
5012-73Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E649-2102-F129?
E649-2102-F129 is a O-RING.
What parts can replace E649-2102-F129?
There are 28 known substitutes for E649-2102-F129: D-WK-492-A43 ITEM 14-22, FF-101-0 ITEM 14, N0674 2-114 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E649-2102-F129?
E649-2102-F129 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-699-2274. This indicates validated use in U.S. government and defense supply chains.
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