5310-01-531-6759 WASHER,FLAT Index 5305-01-531-6761 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-531-6760

Federal Supply Class:
5305

National Item Identification Number:
015316760

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:
2202-900-0064691SC69XPER, INC.
2202-900-64691SC69XPER, INC.
9-000003911SC69XPER, INC.
91257A58705047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
91257A5870KVE6MCMASTER-CARR SUPPLY CO
91257A58739428MCMASTER-CARR SUPPLY CO
S210NA38CAG21354BNFC105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS


Techincal Specification:
COLORYELLOW OVERALL
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD HEIGHT0.500 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY1/4 - 20 X 1
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.203 INCHES NOMINAL
SURFACE TREATMENTCHROMATE ZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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