5360-01-481-9533 SPRING,HELICAL,COMPRESSION Index 5360-01-481-9535 SPRING,HELICAL,COMPRESSION

National Stock Number:
5305-01-481-9534

Federal Supply Class:
5305

National Item Identification Number:
014819534

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
0.250X20UNCX2A0.500 MILB857(MOD)80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
709-5486674 ITEM 3543689HUNTINGTON INGALLS INC
709-5486674 ITEM 3553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESPART OF WINCH ASSEMBLY
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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