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Technical Data Sheet
PartsTable / COMPONENT / SM-B-338779
SM-B-338779 ✓ 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 BRACKET,DOUSER 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 5340-00-356-6936, 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
SM-B-338779
NSN: 5340-00-356-6936
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
Part NumberSM-B-338779
NSN5340-00-356-6936
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-338779 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 7
NAVYX1041APC43Interchangeable
interchangeable cross-reference
interchangeable
061196Interchangeable
interchangeable cross-reference
interchangeable
NX1044PC43Interchangeable
interchangeable cross-reference
interchangeable
071196Interchangeable
interchangeable cross-reference
interchangeable
71196Interchangeable
interchangeable cross-reference
interchangeable
71400SA ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-338779?
SM-B-338779 is a BRACKET,DOUSER.
What parts can replace SM-B-338779?
There are 7 known substitutes for SM-B-338779: NAVYX1041APC43, 061196, NX1044PC43 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-338779?
SM-B-338779 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-356-6936. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026