5360-00-731-0031, SPRING,HELICAL,EXTENSION

National Stock Number:
5360-00-731-0031

Federal Supply Class:
5360

National Item Identification Number:
007310031

Description:
SPRING,HELICAL,EXTENSION

Detail:
An open-or close-coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, so designed to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound so that an initial load must be applied to separate them. Excludes SPRING, REINFORCING, HOSE.

Manufacturer Information:

7310031	19200	US ARMY ARDEC RDECOM
7310031	19205	SPRINGFIELD ARMORY

Techincal Specification:

COIL TO HOOK INSIDE LENGTH	0.100 INCHES MAXIMUM BOTH ENDS
COIL HELIX DIRECTION	LEFT-HAND
COIL QUANTITY	81
DESIGN TYPE	CLOSED
END STYLE	MACHINE LOOP BOTH ENDS
HOOK RADIUS	0.050 INCHES NOMINAL BOTH ENDS
INSIDE DIAMETER	0.098 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-W-13604-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1085 OVERALL
SPECIAL FEATURES	LOOPS CRIMPED SO THAT END OF SPRING ENTERS AT LEAST TWO COILS WITHOUT TOUCHING ID OF SPRING
SPRING FREE LENGTH	1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
SPRING FREE OUTSIDE DIAMETER	0.130 INCHES MINIMUM AND 0.134 INCHES MAXIMUM
STYLE DESIGNATOR	CYLINDRICAL
SURFACE TREATMENT	PHOSPHATE OVERALL

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