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1873789 — Technical Data Sheet

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— · 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

DRIVE,ENGINE,ELECTRICAL STARTER. Key specifications include special_features: STEEL,3.770 IN. APPROX COMPRESSED LGTH;9 TOOTH PINION,10-12 PITCH,CW ROTATION 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 8140-00-021-9321, 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
1873789
NSN: 8140-00-021-9321
FSC: 8140
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
special_featuresSTEEL,3.770 IN. APPROX COMPRESSED LGTH;9 TOOTH PINION,10-12 PITCH,CW ROTATION IN
NSN8140-00-021-9321
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DRIVE,ENGINE,ELECTRICAL STARTER TITLE COMPONENT PN 1873789 MFR DRIVE,ENGINE,ELECTRICA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
137049HInterchangeable
Drive,engine,electrical Starter
interchangeable
55587AInterchangeable
Drive,engine,electrical Starter
interchangeable
1901641Interchangeable
Drive,engine,electrical Starter
interchangeable
1846669Interchangeable
Drive,engine,electrical Starter
interchangeable
6226420Interchangeable
Drive,engine,electrical Starter
interchangeable
A3595Interchangeable
Drive,engine,electrical Starter
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1873789?
1873789 is a DRIVE,ENGINE,ELECTRICAL STARTER.
What parts can replace 1873789?
There are 7 known substitutes for 1873789: 137049H, 55587A, 1901641 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1873789?
1873789 is cataloged in the Federal Logistics Information System (FLIS) under NSN 8140-00-021-9321. 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: September 2026