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Technical Data Sheet
PartsTable / COMPONENT / 11-1-2790
11-1-2790 ✓ 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 PLATE,MOUNTING 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 5340-01-727-1628, 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
11-1-2790
NSN: 5340-01-727-1628
FSC: 5340
CAGE: 81337 — W1D1 NATICK SOLDIER CENTER DBA US ARMY CCDC SOLDIER CENTER DIV COMBAT CAPABILITIES DEVELOPMENT COMMAND - SOLDIER CENTER (USA)
SPECIFICATIONS
Part Number11-1-2790
NSN5340-01-727-1628
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11-1-2790 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 12
5048Interchangeable
interchangeable cross-reference
interchangeable
2020JInterchangeable
interchangeable cross-reference
interchangeable
USG7-239Interchangeable
interchangeable cross-reference
interchangeable
13650SInterchangeable
interchangeable cross-reference
interchangeable
13652Interchangeable
interchangeable cross-reference
interchangeable
107-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11-1-2790?
11-1-2790 is a PLATE,MOUNTING.
What parts can replace 11-1-2790?
There are 12 known substitutes for 11-1-2790: 5048, 2020J, USG7-239 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11-1-2790?
11-1-2790 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-727-1628. 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