4820-01-516-4404 CAP,VALVE Index 4820-01-516-4406 CAP,VALVE

National Stock Number:
5305-01-516-4405

Federal Supply Class:
5305

National Item Identification Number:
015164405

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:
91345A64239428MCMASTER-CARR SUPPLY CO


Techincal Specification:
COLORGRAY/GREY OVERALL
FASTENER LENGTH2.000 INCHES NOMINAL
HEAD HEIGHT0.391 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALPLASTIC OR GLASS FIBER OVERALL
MINIMUM TENSILE STRENGTH27000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESMADE OF POLYURETHANE REINFORCED WITH FIBERGLASS;ROCKWELL HARDNESS IS R119
WIDTH BETWEEN FLATS0.938 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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