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Technical Data Sheet
A57250 ✓ 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 CONTACTOR,MAGNETIC is a the manufacturer industrial component. Key specifications include end_item_identification: GENERAL ASSEMBLY FCH SERIES FREQUENCY CONVERTER., general_characteristics_item_description: COMPONENT PARTS,1 INNER SEAL P/N A57246,1 OUTER SEAL P/N A57247,3.350 IN. OD,2.117 IN.

ID,0.500 IN. W IN, part_name_assigned_by_controlling_agency: CONTACTOR OUTPUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-494-0769, 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
A57250
NSN: 5330-00-494-0769
FSC: 5330
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
end_item_identificationGENERAL ASSEMBLY FCH SERIES FREQUENCY CONVERTER.
general_characteristics_item_descriptionCOMPONENT PARTS,1 INNER SEAL P/N A57246,1 OUTER SEAL P/N A57247,3.350 IN. OD,2.117 IN. ID,0.500 IN. W IN
part_name_assigned_by_controlling_agencyCONTACTOR OUTPUT
NSN5330-00-494-0769
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A57250 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
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: COMPONENT PARTS,1 INNER SEAL P/N A57246,1 OUTER SEAL P/N A57247,3.350 IN. OD,2.117 IN. ID,0.500 IN. W IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCOMPONENT PARTS,1 INNER SEAL P/N A57246,1 OUTER SEAL P/N A57247,3.350 IN. OD,2.117 IN. ID,0.500 IN. W IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
T1913Interchangeable
interchangeable cross-reference
interchangeable
42-6880-100-150Interchangeable
interchangeable cross-reference
interchangeable
K2412Interchangeable
interchangeable cross-reference
interchangeable
56020904Interchangeable
interchangeable cross-reference
interchangeable
5397Interchangeable
interchangeable cross-reference
interchangeable
14U1486PCADD5397Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A57250?
A57250 is a CONTACTOR,MAGNETIC.
What parts can replace A57250?
There are 11 known substitutes for A57250: T1913, 42-6880-100-150, K2412 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A57250?
A57250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-494-0769. This indicates validated use in U.S. government and defense supply chains.
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