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7973645 ✓ 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 SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.160 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 5.359 INCHES NOMINAL IN, spring_solid_length: 2.990 INCHES NOMINAL 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 5360-00-597-4004, 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
7973645
NSN: 5360-00-597-4004
FSC: 5360
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
inside_diameter0.160 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length5.359 INCHES NOMINAL IN
spring_solid_length2.990 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate8.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.266 INCHES NOMINAL IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-597-4004
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 7973645 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
MATERIAL: STEEL UNS K08500 OVERALL
•
STYLE DESIGNATOR: CYLINDRICAL
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING FREE OUTSIDE DIAMETER: 0.266 INCHES NOMINAL IN
•
SPRING FREE LENGTH: 5.359 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.160 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
SPRING SOLID LENGTH: 2.990 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL UNS K08500 OVERALL
STYLE DESIGNATORCYLINDRICAL
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING FREE OUTSIDE DIAMETER0.266 INCHES NOMINAL IN
SPRING FREE LENGTH5.359 INCHES NOMINAL IN
INSIDE DIAMETER0.160 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SPRING SOLID LENGTH2.990 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING DEFLECTION RATE8.000 POUNDS PER INCH NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
63007Interchangeable
interchangeable cross-reference
interchangeable
1-1-2CInterchangeable
interchangeable cross-reference
interchangeable
444MDH1Interchangeable
interchangeable cross-reference
interchangeable
CKW7401EInterchangeable
interchangeable cross-reference
interchangeable
SA16Interchangeable
interchangeable cross-reference
interchangeable
5360005974004Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7973645?
7973645 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 7973645?
There are 6 known substitutes for 7973645: 63007, 1-1-2C, 444MDH1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7973645?
7973645 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-597-4004. 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