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Technical Data Sheet
373W ✓ 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. Key specifications include end_item_identification: KE-3A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-299-9856, 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
373W
NSN: 5340-01-299-9856
FSC: 5340
CAGE: 86735 — B E AEROSPACE INC JACKSONVILLE FACILITY DBA NORDSKOG INDUSTRIES (USA)
SPECIFICATIONS
end_item_identificationKE-3A A
NSN5340-01-299-9856
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 373W 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 IDENTIFICATIONKE-3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
90386-1Interchangeable
interchangeable cross-reference
interchangeable
375Interchangeable
interchangeable cross-reference
interchangeable
375WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 373W?
373W is a BRACKET,MOUNTING.
What parts can replace 373W?
There are 3 known substitutes for 373W: 90386-1, 375, 375W. Substitute compatibility should be verified for your specific system.
What is the NSN for 373W?
373W is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-299-9856. This indicates validated use in U.S. government and defense supply chains.
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