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R20388 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R20388: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, inside_diameter: 0.547 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 1.000 INCHES NOMINAL IN, spring_solid_length: 0.223 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-201-2149, 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
R20388
NSN: 5360-00-201-2149
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 83120 — PRESSED METALS OF AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
inside_diameter0.547 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length1.000 INCHES NOMINAL IN
spring_solid_length0.223 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_free_outside_diameter0.626 INCHES NOMINAL IN
NSN5360-00-201-2149
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN R20388 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.626 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
SPRING SOLID LENGTH: 0.223 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.000 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.547 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
•
COIL HELIX DIRECTION: LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.626 INCHES NOMINAL IN
END STYLESPRING END,SQUARED BOTH ENDS
SPRING SOLID LENGTH0.223 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.000 INCHES NOMINAL IN
INSIDE DIAMETER0.547 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
COIL HELIX DIRECTIONLEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
115649Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1522027Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R20388?
R20388 is a SPRING,HELICAL,COMPRESSION.
What parts can replace R20388?
There are 2 known substitutes for R20388: 115649, 1522027. Substitute compatibility should be verified for your specific system.
What is the NSN for R20388?
R20388 is cataloged in the U.S. Government catalog under NSN 5360-00-201-2149. 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.