AMD-1403 ITEM 79 — SPRING,HELICAL,EXTENSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AMD-1403 ITEM 79: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SHORT TWISTED HOOK BOTH ENDS, design_type: MAINSPRING, inside_diameter: 0.390 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-479-7728, 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

AMD-1403 ITEM 79

NSN: 5360-01-479-7728
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 70433 — APPLETON MARINE INC (USA)

SPECIFICATIONS

material	STEEL UNS K08500 OVERALL
end_style	SHORT TWISTED HOOK BOTH ENDS
design_type	MAINSPRING
inside_diameter	0.390 INCHES NOMINAL IN
style_designator	CYLINDRICAL
surface_treatment	ZINC OVERALL
spring_free_length	2.360 INCHES NOMINAL IN
coil_helix_direction	LEFT-HAND
spring_deflection_rate	6.100 POUNDS PER INCH NOMINAL LBS
end_item_identification	WINCH, TOPPING; STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD)
spring_free_outside_diameter	0.492 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
material_document_and_classification	ASTMB228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5360-01-479-7728

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.492 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

END STYLE: SHORT TWISTED HOOK BOTH ENDS

•

DESIGN TYPE: MAINSPRING

•

STYLE DESIGNATOR: CYLINDRICAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTMB228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SPRING FREE LENGTH: 2.360 INCHES NOMINAL IN

•

SPRING DEFLECTION RATE: 6.100 POUNDS PER INCH NOMINAL LBS

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.492 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
END STYLE	SHORT TWISTED HOOK BOTH ENDS
DESIGN TYPE	MAINSPRING
STYLE DESIGNATOR	CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTMB228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH	2.360 INCHES NOMINAL IN
SPRING DEFLECTION RATE	6.100 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER	0.390 INCHES NOMINAL IN
SURFACE TREATMENT	ZINC OVERALL

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 1

9433K82Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 AMD-1403 ITEM 79?

AMD-1403 ITEM 79 is a SPRING,HELICAL,EXTENSION.

What parts can replace AMD-1403 ITEM 79?

There is 1 known substitute for AMD-1403 ITEM 79: 9433K82. Substitute compatibility should be verified for your specific system.

What is the NSN for AMD-1403 ITEM 79?

AMD-1403 ITEM 79 is cataloged in the U.S. Government catalog under NSN 5360-01-479-7728. This indicates validated use in U.S. government and defense supply chains.

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