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A20565 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A20565: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1085 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 0.365 INCHES MINIMUM AND 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM0.385 INCHES MAXIMUM IN, coil_quantity: 8-1/28-1/2, inside_diameter: 0.225 INCHES NOMINAL0.225 INCHES NOMINAL IN, style_designator: CYLINDRICALCYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 1005-00-514-0215, 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
A20565
NSN: 1005-00-514-0215
FSC: 1005 — Guns, Through 30mm
CAGE: U4574 — FNH UK LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 1085 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter0.365 INCHES MINIMUM AND 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM0.385 INCHES MAXIMUM IN
coil_quantity8-1/28-1/2
inside_diameter0.225 INCHES NOMINAL0.225 INCHES NOMINAL IN
style_designatorCYLINDRICALCYLINDRICAL
surface_treatmentPHOSPHATE OVERALLPHOSPHATE OVERALL
spring_free_length0.946 INCHES NOMINAL0.946 INCHES NOMINAL IN
spring_solid_length0.573 INCHES NOMINAL0.573 INCHES NOMINAL IN
coil_helix_directionRIGHT-HANDRIGHT-HAND
spring_deflection_rate198.000 POUNDS PER INCH NOMINAL198.000 POUNDS PER INCH NOMINAL LBS
end_item_identificationMACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715MACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715
NSN1005-00-514-0215
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN A20565 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.365 INCHES NOMINAL0.365 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 0.573 INCHES NOMINAL0.573 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICALCYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 0.946 INCHES NOMINAL0.946 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 198.000 POUNDS PER INCH NOMINAL198.000 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.225 INCHES NOMINAL0.225 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.365 INCHES NOMINAL0.365 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH0.573 INCHES NOMINAL0.573 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICALCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH0.946 INCHES NOMINAL0.946 INCHES NOMINAL IN
SPRING DEFLECTION RATE198.000 POUNDS PER INCH NOMINAL198.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.225 INCHES NOMINAL0.225 INCHES NOMINAL IN
SPRING SOLID OUTSIDE DIAMETER0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN
COIL QUANTITY8-1/28-1/2
SUBSTITUTES & CROSS-REFERENCES 6
A10779Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340-514-0215Reference document
Same NSN cross-reference
Reference document — Informative reference only
5140215Reference document
Same NSN cross-reference
Reference document — Secondary reference
717124440502Reference document
Same NSN cross-reference
Reference document — Informative reference only
5360-514-0215Reference document
Same NSN cross-reference
Reference document — Informative reference only
5360PL0947889Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is A20565?
A20565 is a SPRING,HELICAL,COMPRESSION.
What parts can replace A20565?
There are 6 known substitutes for A20565: A10779, 5340-514-0215, 5140215 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A20565?
A20565 is cataloged in the U.S. Government catalog under NSN 1005-00-514-0215. 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.