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Technical Data Sheet
A3257023 ✓ 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 STOP is a the manufacturer industrial component. Key specifications include end_item_identification: 4940014241023. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-467-9450, 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
A3257023
NSN: 5340-01-467-9450
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
end_item_identification4940014241023
NSN5340-01-467-9450
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A3257023 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION4940014241023
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
K741Interchangeable
interchangeable cross-reference
interchangeable
12577150Interchangeable
interchangeable cross-reference
interchangeable
8502991Interchangeable
interchangeable cross-reference
interchangeable
40703Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3257023?
A3257023 is a BRACKET STOP.
What parts can replace A3257023?
There are 4 known substitutes for A3257023: K741, 12577150, 8502991 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3257023?
A3257023 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-467-9450. This indicates validated use in U.S. government and defense supply chains.
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