5360-00-756-0566, SPRING,HELICAL,EXTENSION

1560-00-756-0565 SUPPORT,STRUCTURAL COMPONENT,AIR

National Stock Number:
5360-00-756-0566

Federal Supply Class:
5360

National Item Identification Number:
007560566

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:

756365-101

98897

LOCKHEED MARTIN CORP

Techincal Specification:

COIL TO HOOK INSIDE LENGTH	0.240 INCHES NOMINAL FIRST END
COIL TO HOOK INSIDE LENGTH	0.320 INCHES NOMINAL SECOND END
COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND
COIL QUANTITY	13.9
DESIGN TYPE	CLOSED
END STYLE	REDUCED SIDE LOOP FIRST END
END STYLE	SHORT TWISTED HOOK SECOND END
HOOK RADIUS	0.120 INCHES NOMINAL FIRST END
HOOK RADIUS	0.160 INCHES NOMINAL SECOND END
INSIDE DIAMETER	0.314 INCHES NOMINAL
LOAD RATING	17.74 POUNDS MINIMUM AND 20.26 POUNDS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL UNS K08500 OVERALL
SPRING FREE LENGTH	1.616 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER	0.440 INCHES NOMINAL
SPRING LENGTH UNDER LOAD	2.001 INCHES NOMINAL
STYLE DESIGNATOR	CYLINDRICAL

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