5305-01-431-4259 SCREW,CAP,HEXAGON HEAD Index 3040-01-431-4261 SHAFT,SHOULDERED

National Stock Number:
5305-01-431-4260

Federal Supply Class:
5305

National Item Identification Number:
014314260

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:
516-6600807 ITEM 4653711NAVAL SEA SYSTEMS COMMAND
516-6600807 ITEM 46L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
NOMINAL THREAD DIAMETER0.375 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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