5360-00-326-3428, SPRING,HELICAL,EXTENSION

National Stock Number:
5360-00-326-3428

Federal Supply Class:
5360

National Item Identification Number:
003263428

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:

S1620-61294

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND
COIL QUANTITY	20
COIL TO HOOK INSIDE LENGTH	0.449 INCHES NOMINAL SECOND END
COIL TO HOOK INSIDE LENGTH	0.949 INCHES NOMINAL FIRST END
DESIGN TYPE	CLOSED
END STYLE	DOBBY HOOK FIRST END
END STYLE	SHORT TWISTED HOOK SECOND END
HOOK RADIUS	0.125 INCHES NOMINAL FIRST END
HOOK RADIUS	0.156 INCHES NOMINAL SECOND END
INSIDE DIAMETER	0.298 INCHES NOMINAL
LOAD RATING	11.250 POUNDS MINIMUM AND 13.250 POUNDS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL UNS K08500 OVERALL
OPENING WIDTH	0.625 INCHES NOMINAL FIRST END
SPRING FREE LENGTH	2.540 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER	0.400 INCHES NOMINAL
SPRING LENGTH UNDER LOAD	3.375 INCHES NOMINAL
STYLE DESIGNATOR	CYLINDRICAL
SURFACE TREATMENT	CADMIUM OVERALL

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