PartsTable
Technical Data Sheet
404357-103 ✓ 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 5340-01-699-8484, 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
404357-103
NSN: 5340-01-699-8484
FSC: 5340
CAGE: 57626 — COMSACO, LLC DBA COMSACO INC (USA)
SPECIFICATIONS
Part Number404357-103
NSN5340-01-699-8484
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 404357-103 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
404357Interchangeable
interchangeable cross-reference
interchangeable
X-ELW-CRES-250Interchangeable
interchangeable cross-reference
interchangeable
X-RHM-SS-420-500Interchangeable
interchangeable cross-reference
interchangeable
404357 ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
404357 ITEM 7Interchangeable
interchangeable cross-reference
interchangeable
X-BOLT-ZPS-513-2750Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 404357-103?
404357-103 is a BRACKET,MOUNTING.
What parts can replace 404357-103?
There are 7 known substitutes for 404357-103: 404357, X-ELW-CRES-250, X-RHM-SS-420-500 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 404357-103?
404357-103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-699-8484. This indicates validated use in U.S. government and defense supply chains.
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