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PartsTable / COMPONENT / 1001503
1001503 ✓ 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

CATAPULT,AIRCRAFT EJECTION SEAT. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.875 INCHES NOMINAL IN, fastener_length: 5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM 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 1377-01-519-4086, 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
1001503
NSN: 1377-01-519-4086
FSC: 1377
CAGE: 51998 — UNIVERSAL PROPULSION COMPANY INC DBA GOODRICH DIV UNIVERSAL PROPULSION CO., INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
thread_length0.875 INCHES NOMINAL IN
fastener_length5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
special_features5/16-18X5-1/2 GRADE 8 PLAIN FINISH HEX CAP SCREW
thread_directionRIGHT-HAND
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN1377-01-519-4086
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M CATAPULT,AIRCRAFT EJECTION SEAT TITLE COMPONENT PN 1001503 MFR 3M CATAPULT,AIRCRAFT EJEC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
699-36Interchangeable
interchangeable cross-reference
interchangeable
9128373Interchangeable
interchangeable cross-reference
interchangeable
345B12610-1Interchangeable
interchangeable cross-reference
interchangeable
100150-1Interchangeable
interchangeable cross-reference
interchangeable
4-226Interchangeable
interchangeable cross-reference
interchangeable
4-266Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1001503?
1001503 is a CATAPULT,AIRCRAFT EJECTION SEAT manufactured by 3M.
What parts can replace 1001503?
There are 14 known substitutes for 1001503: 699-36, 9128373, 345B12610-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1001503?
1001503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1377-01-519-4086. 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