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Technical Data Sheet
218103968 ✓ 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 CONNECTING LINK,RIGID 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 5340-01-717-9950, 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
218103968
NSN: 5340-01-717-9950
FSC: 5340
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part Number218103968
NSN5340-01-717-9950
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 218103968 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 13
77-0502Upgraded Successor
successor cross-reference
successor
11-582Upgraded Successor
successor cross-reference
successor
40-8238Upgraded Successor
successor cross-reference
successor
8836955-10Interchangeable
interchangeable cross-reference
interchangeable
8836955Interchangeable
interchangeable cross-reference
interchangeable
LOA034278-199DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 218103968?
218103968 is a CONNECTING LINK,RIGID.
What parts can replace 218103968?
There are 13 known substitutes for 218103968: 77-0502, 11-582, 40-8238 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218103968?
218103968 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-717-9950. This indicates validated use in U.S. government and defense supply chains.
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