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493646 — LOWER,TRANSMISSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

493646: LOWER,TRANSMISSION.

The LOWER,TRANSMISSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_height: 0.280 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, thread_length: 0.228 INCHES NOMINAL EXTERNAL IN, overall_length: 0.680 INCHES NOMINAL IN, flange_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-194-4406, 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
493646
NSN: 2520-00-194-4406
NIINs: 001944406, 009401968
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_height0.280 INCHES NOMINAL IN
thread_class3A EXTERNAL A
thread_length0.228 INCHES NOMINAL EXTERNAL IN
overall_length0.680 INCHES NOMINAL IN
flange_diameter0.750 INCHES NOMINAL IN
connection_stylePLAIN
flange_thickness0.080 INCHES NOMINAL IN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.438 INCHES EXTERNAL IN
NSN2520-00-194-4406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOWER,TRANSMISSION TITLE COMPONENT PN 493646 MFR LOWER,TRANSMISSION
SUBSTITUTES & CROSS-REFERENCES 1
TIP01490-27JUL71Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 493646?
493646 is a LOWER,TRANSMISSION.
What parts can replace 493646?
There is 1 known substitute for 493646: TIP01490-27JUL71. Substitute compatibility should be verified for your specific system.
What is the NSN for 493646?
493646 is cataloged in the U.S. Government catalog under NSN 2520-00-194-4406. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.