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Technical Data Sheet
DR1902730 ✓ 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

The HEAD,STARTER DRIVE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-770-6428, 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
DR1902730
NSN: 2920-00-770-6428
FSC: 2920
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
Part NumberDR1902730
NSN2920-00-770-6428
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEAD,STARTER DRIVE TITLE COMPONENT PN DR1902730 MFR HEAD,STARTER DRIVE
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL STEEL,AISI SPEC 1137,OUTSIDE DIA,1.562 IN. O/A LG,1.750 9 DEGREE ANGLE FROM KEYWAY CENTER TO BOLTHOLE CENTER 0.375-24 NF-2 RH THREADED KEYWAY MAJ. DIA. 0.375 IN. @PITCH DIA. 0.351 MAX PITCH DIA. 0.347 IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL STEEL,AISI SPEC 1137,OUTSIDE DIA,1.562 IN. O/A LG,1.750 9 DEGREE ANGLE FROM KEYWAY CENTER TO BOLTHOLE CENTER 0.375-24 NF-2 RH THREADED KEYWAY MAJ. DIA. 0.375 IN. @PITCH DIA. 0.351 MAX PITCH DIA. 0.347 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
AAA-S-121 TY8CL1Interchangeable
interchangeable cross-reference
interchangeable
AAA-S-121Interchangeable
interchangeable cross-reference
interchangeable
QDS-600Interchangeable
interchangeable cross-reference
interchangeable
13-500Interchangeable
interchangeable cross-reference
interchangeable
E1-56-9F53Interchangeable
interchangeable cross-reference
interchangeable
MSS84075-22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DR1902730?
DR1902730 is a HEAD,STARTER DRIVE.
What parts can replace DR1902730?
There are 19 known substitutes for DR1902730: AAA-S-121 TY8CL1, AAA-S-121, QDS-600 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DR1902730?
DR1902730 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-770-6428. This indicates validated use in U.S. government and defense supply chains.
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