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Technical Data Sheet
PartsTable / COMPONENT / LS103
LS103 ✓ 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

SWITCH,ENGINE STARTER,ELECTRICAL. Key specifications include material: STEEL NUT, nut_style: ROUND, surface_treatment: ZINC NUT, nominal_thread_size: 1.000 INCHES IN, part_name_assigned_by_controlling_agency: STEEL SEALING LOCKNUT-ZINC PLATED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-450-9496, 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
LS103
NSN: 2920-00-450-9496
FSC: 2920
CAGE: 77326 — POLLAK JOSEPH CORP (USA)
SPECIFICATIONS
materialSTEEL NUT
nut_styleROUND
surface_treatmentZINC NUT
nominal_thread_size1.000 INCHES IN
part_name_assigned_by_controlling_agencySTEEL SEALING LOCKNUT-ZINC PLATED
NSN2920-00-450-9496
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ENGINE STARTER,ELECTRICAL TITLE COMPONENT PN LS103 MFR SWITCH,ENGINE STARTER,
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
9579Interchangeable
interchangeable cross-reference
interchangeable
TEX-FLUFF W/BAC-STAT 400Interchangeable
interchangeable cross-reference
interchangeable
18F936Interchangeable
interchangeable cross-reference
interchangeable
C023A101J303MInterchangeable
interchangeable cross-reference
interchangeable
TA03UFP0RM35PCTInterchangeable
interchangeable cross-reference
interchangeable
RLS16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS103?
LS103 is a SWITCH,ENGINE STARTER,ELECTRICAL.
What parts can replace LS103?
There are 31 known substitutes for LS103: 9579, TEX-FLUFF W/BAC-STAT 400, 18F936 and 28 more. Substitute compatibility should be verified for your specific system.
Is LS103 still available?
LS103 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026