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R-8-21-1 — RING,RETAINING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R-8-21-1: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 22, inside_diameter: 0.247 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 1.938 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-246-6990, 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
R-8-21-1
NSN: 5360-00-246-6990
NIINs: 002466990, 012771014
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity22
inside_diameter0.247 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.938 INCHES NOMINAL IN
spring_solid_length1.408 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.375 INCHES NOMINAL IN
NSN5360-00-246-6990
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,RETAINING TITLE COMPONENT PN R-8-21-1 MFR RING,RETAINING
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 1.408 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.938 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.247 INCHES NOMINAL IN
•
COIL QUANTITY: 22
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH1.408 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.938 INCHES NOMINAL IN
INSIDE DIAMETER0.247 INCHES NOMINAL IN
COIL QUANTITY22
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R-8-21-1?
R-8-21-1 is a RING,RETAINING.
What is the NSN for R-8-21-1?
R-8-21-1 is cataloged in the U.S. Government catalog under NSN 5360-00-246-6990. This indicates validated use in U.S. government and defense supply chains.
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