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21490953-001 ✓ 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 PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, duty_cycle: CONTINUOUS, flat_depth: 0.2500 INCHES NOMINAL IDENTICAL ENDS IN, temp_rating: 24.0 OPERATING CELSIUS, keyway_depth: 0.6875 INCHES NOMINAL IDENTICAL ENDS IN, keyway_width: 1.3750 INCHES NOMINAL IDENTICAL ENDS 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 3020-01-728-8027, 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
21490953-001
NSN: 3020-01-728-8027
FSC: 3020
CAGE: 56161 — GENERAL DYNAMICS LAND SYSTEMS CANADACORP (CAN)
SPECIFICATIONS
phaseTHREE INPUT
duty_cycleCONTINUOUS
flat_depth0.2500 INCHES NOMINAL IDENTICAL ENDS IN
temp_rating24.0 OPERATING CELSIUS
keyway_depth0.6875 INCHES NOMINAL IDENTICAL ENDS IN
keyway_width1.3750 INCHES NOMINAL IDENTICAL ENDS IN
power_rating1.2500 HORSEPOWER OUTPUT
winding_typeINDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
keyway_length1.1250 INCHES NOMINAL IDENTICAL ENDS IN
overall_width5.438 INCHES IN
cooling_methodNONVENTILATED
overall_height7.031 INCHES IN
NSN3020-01-728-8027
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN 21490953-001 MFR PULLEY,GROOVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
700-01-0221Interchangeable
interchangeable cross-reference
interchangeable
406612Interchangeable
interchangeable cross-reference
interchangeable
B4524-4981-1Interchangeable
interchangeable cross-reference
interchangeable
21490953Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21490953-001?
21490953-001 is a PULLEY,GROOVE.
What parts can replace 21490953-001?
There are 4 known substitutes for 21490953-001: 700-01-0221, 406612, B4524-4981-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21490953-001?
21490953-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-728-8027. 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