MS3445-61A — SPRING,HELICAL,COMPRESSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MS3445-61A: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, load_rating: 54.000 POUNDS MINIMUM AND 77.000 POUNDS MAXIMUM LBS, coil_quantity: 2-1/2, stock_diameter: 0.129 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, inside_diameter: 1.675 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-461-7887, 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

MS3445-61A

NSN: 5360-01-461-7887
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL OVERALL
end_style	SPRING END,SQUARED AND GROUND BOTH ENDS
load_rating	54.000 POUNDS MINIMUM AND 77.000 POUNDS MAXIMUM LBS
coil_quantity	2-1/2
stock_diameter	0.129 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
inside_diameter	1.675 INCHES MINIMUM IN
style_designator	TAPERED
surface_treatment	OXIDE OVERALL
spring_free_length	2.250 INCHES NOMINAL IN
spring_solid_length	0.129 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
spring_length_under_load	0.149 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
spring_free_outside_diameter	2.835 INCHES MAXIMUM IN
NSN	5360-01-461-7887

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 2.835 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

LOAD RATING: 54.000 POUNDS MINIMUM AND 77.000 POUNDS MAXIMUM LBS

•

END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS

•

SPRING SOLID LENGTH: 0.129 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: TAPERED

•

SPRING FREE LENGTH: 2.250 INCHES NOMINAL IN

•

INSIDE DIAMETER: 1.675 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	2.835 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
LOAD RATING	54.000 POUNDS MINIMUM AND 77.000 POUNDS MAXIMUM LBS
END STYLE	SPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH	0.129 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
STYLE DESIGNATOR	TAPERED
SPRING FREE LENGTH	2.250 INCHES NOMINAL IN
INSIDE DIAMETER	1.675 INCHES MINIMUM IN
STOCK DIAMETER	0.129 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
SPRING LENGTH UNDER LOAD	0.149 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN

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 2

SAE-AS81703Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MIL-C-81703Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 MS3445-61A?

MS3445-61A is a SPRING,HELICAL,COMPRESSION.

What parts can replace MS3445-61A?

There are 2 known substitutes for MS3445-61A: SAE-AS81703, MIL-C-81703. Substitute compatibility should be verified for your specific system.

What is the NSN for MS3445-61A?

MS3445-61A is cataloged in the U.S. Government catalog under NSN 5360-01-461-7887. This indicates validated use in U.S. government and defense supply chains.

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MS3445-61A — SPRING,HELICAL,COMPRESSION

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