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PartsTable / COMPONENT / ST109
ST109 ✓ 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

RELAY-SOLENOID,ENGINE STARTER,EL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-876-4481, 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
ST109
NSN: 2920-00-876-4481
FSC: 2920
CAGE: 19239 — ECHLIN INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCIRCULAR CONFIGURATION; ALUMINUM,ANODIZE FINISH; O/A DIM 3.22 IN. O.D; 1.50 IN. LG; 2.125 IN. INSIDE TUBE DIA; .081 IN. OPENING ON CENTERLINE ONE SIDE ONLY IN
NSN2920-00-876-4481
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY-SOLENOID,ENGINE STARTER,EL TITLE COMPONENT PN ST109 MFR RELAY-SOLENOID,ENGINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5400-2Interchangeable
interchangeable cross-reference
interchangeable
SMB187607-2Interchangeable
interchangeable cross-reference
interchangeable
50625Interchangeable
interchangeable cross-reference
interchangeable
0107Interchangeable
interchangeable cross-reference
interchangeable
X688Interchangeable
interchangeable cross-reference
interchangeable
7200596PT2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST109?
ST109 is a RELAY-SOLENOID,ENGINE STARTER,EL.
What parts can replace ST109?
There are 11 known substitutes for ST109: 5400-2, SMB187607-2, 50625 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST109?
ST109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-876-4481. 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