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PartsTable / COMPONENT / 157-057
157-057 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.8125 INCHES NOMINAL IN, outside_diameter: 7.1250 INCHES NOMINAL IN, special_features: DUTY CLASS L SERIES, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0620 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-231-7339, 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
157-057
NSN: 2990-00-231-7339
FSC: 2990
CAGE: 1CU37 — POWER LAWNMOWER PARTS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.8125 INCHES NOMINAL IN
outside_diameter7.1250 INCHES NOMINAL IN
special_featuresDUTY CLASS L SERIES
style_designatorNORMAL ANGLE
backface_corner_radius0.0620 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN2990-00-231-7339
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 157-057 MFR CONNECTOR,PLUG,ELECTRI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
K-2990Interchangeable
interchangeable cross-reference
interchangeable
30864Interchangeable
interchangeable cross-reference
interchangeable
392811Interchangeable
interchangeable cross-reference
interchangeable
157057Interchangeable
interchangeable cross-reference
interchangeable
273955R1Interchangeable
interchangeable cross-reference
interchangeable
157057H1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 157-057?
157-057 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 157-057?
There are 9 known substitutes for 157-057: K-2990, 30864, 392811 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 157-057?
157-057 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-231-7339. 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