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21506N PIECE 23 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21506N PIECE 23: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 3.188 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 8.125 INCHES NOMINAL IN, coil_helix_direction: RIGHT-HAND OR LEFT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-309-6543, 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
21506N PIECE 23
NSN: 5360-01-309-6543
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
inside_diameter3.188 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length8.125 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter4.374 INCHES NOMINAL IN
material_document_and_classificationX750,INCONEL,INTERNATIONAL NICKEL CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5360-01-309-6543
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 21506N PIECE 23 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 4.374 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: X750,INCONEL,INTERNATIONAL NICKEL CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 8.125 INCHES NOMINAL IN
•
INSIDE DIAMETER: 3.188 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER4.374 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONX750,INCONEL,INTERNATIONAL NICKEL CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH8.125 INCHES NOMINAL IN
INSIDE DIAMETER3.188 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALNICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21506N PIECE 23?
21506N PIECE 23 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 21506N PIECE 23?
21506N PIECE 23 is cataloged in the U.S. Government catalog under NSN 5360-01-309-6543. 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.