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PartsTable / COMPONENT / PM21765
PM21765 ✓ 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,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SHORT TWISTED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.094 INCHES NOMINAL BOTH ENDS IN, load_rating: 2.375 POUNDS MINIMUM AND 2.500 POUNDS MAXIMUM LBS, inside_diameter: 0.188 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 5360-00-949-7695, 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
PM21765
NSN: 5360-00-949-7695
FSC: 5360
CAGE: 81579 — MASON ELECTRIC CO. DBA MASON CONTROLS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSHORT TWISTED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.094 INCHES NOMINAL BOTH ENDS IN
load_rating2.375 POUNDS MINIMUM AND 2.500 POUNDS MAXIMUM LBS
inside_diameter0.188 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length0.842 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_length_under_load0.970 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
spring_free_outside_diameter0.250 INCHES NOMINAL IN
NSN5360-00-949-7695
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN PM21765 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
HOOK RADIUS: 0.094 INCHES NOMINAL BOTH ENDS IN
•
LOAD RATING: 2.375 POUNDS MINIMUM AND 2.500 POUNDS MAXIMUM LBS
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
SPRING FREE OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SPRING LENGTH UNDER LOAD: 0.970 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOOK RADIUS0.094 INCHES NOMINAL BOTH ENDS IN
LOAD RATING2.375 POUNDS MINIMUM AND 2.500 POUNDS MAXIMUM LBS
END STYLESHORT TWISTED HOOK BOTH ENDS
SPRING FREE OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SPRING LENGTH UNDER LOAD0.970 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
INSIDE DIAMETER0.188 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.842 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
63462Interchangeable
interchangeable cross-reference
interchangeable
24231Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.2Interchangeable
interchangeable cross-reference
interchangeable
217657Interchangeable
interchangeable cross-reference
interchangeable
21765Interchangeable
interchangeable cross-reference
interchangeable
235051Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PM21765?
PM21765 is a SPRING,HELICAL,EXTENSION.
What parts can replace PM21765?
There are 8 known substitutes for PM21765: 63462, 24231, ASME B94.2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PM21765?
PM21765 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-949-7695. 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