12521020-61 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12521020-61: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 13, inside_diameter: 0.439 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-901-1763, 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

12521020-61

NSN: 5360-00-901-1763
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 95310 — UNIDYNAMICS/SAINT LOUIS INC CONROE OPNS (USA)

SPECIFICATIONS

material	STEEL UNS K08500 OVERALL
end_style	SPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity	13
inside_diameter	0.439 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
style_designator	CYLINDRICAL
surface_treatment	CADMIUM AND CHROMATE OVERALL
spring_free_length	1.880 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN
spring_solid_length	0.939 INCHES MAXIMUM IN
coil_helix_direction	LEFT-HAND
spring_deflection_rate	23.400 POUNDS PER INCH MINIMUM AND 28.600 POUNDS PER INCH MAXIMUM LBS
spring_free_outside_diameter	0.585 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
material_document_and_classification	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5360-00-901-1763

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.585 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS

•

SPRING SOLID LENGTH: 0.939 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: CYLINDRICAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SPRING FREE LENGTH: 1.880 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN

•

SPRING DEFLECTION RATE: 23.400 POUNDS PER INCH MINIMUM AND 28.600 POUNDS PER INCH MAXIMUM LBS

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.585 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
END STYLE	SPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH	0.939 INCHES MAXIMUM IN
STYLE DESIGNATOR	CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH	1.880 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN
SPRING DEFLECTION RATE	23.400 POUNDS PER INCH MINIMUM AND 28.600 POUNDS PER INCH MAXIMUM LBS
INSIDE DIAMETER	0.439 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
COIL QUANTITY	13

OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703

SUBSTITUTES & CROSS-REFERENCES 4

8437310Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LC072H7Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

5360009011763Reference document

Same NSN cross-reference

Reference document — Informative reference only

12520001FIG7-1-61Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12521020-61?

12521020-61 is a SPRING,HELICAL,COMPRESSION.

What parts can replace 12521020-61?

There are 4 known substitutes for 12521020-61: 8437310, LC072H7, 5360009011763 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 12521020-61?

12521020-61 is cataloged in the U.S. Government catalog under NSN 5360-00-901-1763. This indicates validated use in U.S. government and defense supply chains.

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12521020-61 — SPRING,HELICAL,COMPRESSION

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