4140-01-560-6005 GUARD,FAN IMPELLER Index 5305-01-560-6007 SCREW,MACHINE

National Stock Number:
5305-01-560-6006

Federal Supply Class:
5305

National Item Identification Number:
015606006

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:
21803102696169ELECTRIC BOAT CORPORATION
596-7410822 PN 1053711NAVAL SEA SYSTEMS COMMAND
B434-2620 PN 1096169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD STYLEHEXAGON
LOCKING FEATUREPATCH THREADS OR PELLET THREADS OR STRIP THREADS
MATERIALNICKEL ALLOY K-500 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNC


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