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Technical Data Sheet
PartsTable / COMPONENT / 1503-103
1503-103 ✓ Verified by PartsTable
3M · 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 ASSEMBLY,ELECTRICAL is a 3M industrial component. Key specifications include material: COPPER ALLOY OVERALL EXCEPT INSULATION, thread_length: 0.375 INCHES IN, overall_height: 1.172 INCHES1.172 INCHES IN, largest_diameter: 0.093 INCHES ALL ENDS IN, basic_shape_style: NONTUBULAR HEX, width_across_flats: 0.344 INCHES0.344 INCHES 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 2825-00-309-1654, 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
1503-103
NSN: 2825-00-309-1654
FSC: 2825
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL EXCEPT INSULATION
thread_length0.375 INCHES IN
overall_height1.172 INCHES1.172 INCHES IN
largest_diameter0.093 INCHES ALL ENDS IN
basic_shape_styleNONTUBULAR HEX
width_across_flats0.344 INCHES0.344 INCHES IN
mounting_method_styleSTUD
turret_minor_diameter0.060 INCHES ALL ENDS IN
mounting_thread_seriesUNEF
end_item_identificationSATAM UPGRADE
mounting_thread_diameter0.250 INCHES IN
first_end_terminal_length0.250 INCHES IN
NSN2825-00-309-1654
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M CONNECTOR ASSEMBLY,ELECTRICAL TITLE COMPONENT PN 1503-103 MFR 3M CONNECTOR ASSEMBLY,ELE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSTEAM TURBINE,SHIPS PROPULSION SYSTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
871231Interchangeable
interchangeable cross-reference
interchangeable
1503-103Interchangeable
interchangeable cross-reference
interchangeable
G641535-3Interchangeable
interchangeable cross-reference
interchangeable
256348PC31Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS83461/1Interchangeable
interchangeable cross-reference
interchangeable
42J580Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1503-103?
1503-103 is a CONNECTOR ASSEMBLY,ELECTRICAL manufactured by 3M.
What parts can replace 1503-103?
There are 7 known substitutes for 1503-103: 871231, 1503-103, G641535-3 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1503-103?
1503-103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-309-1654. 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