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Technical Data Sheet
PartsTable / COMPONENT / 1053-340139
1053-340139 ✓ 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,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 5340-01-290-8394, 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
1053-340139
NSN: 5340-01-290-8394
FSC: 5340
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
Part Number1053-340139
NSN5340-01-290-8394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1053-340139 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 6
821154Interchangeable
interchangeable cross-reference
interchangeable
127086Interchangeable
interchangeable cross-reference
interchangeable
13B1848038Interchangeable
interchangeable cross-reference
interchangeable
8421-1-8D2PInterchangeable
interchangeable cross-reference
interchangeable
340-1-39Interchangeable
interchangeable cross-reference
interchangeable
3461-90-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1053-340139?
1053-340139 is a BRACKET,MOUNTING.
What parts can replace 1053-340139?
There are 6 known substitutes for 1053-340139: 821154, 127086, 13B1848038 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1053-340139?
1053-340139 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-290-8394. 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