5305-01-277-9906 SCREW,CAP,HEXAGON HEAD Index 5305-01-277-9908 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-277-9907

Federal Supply Class:
5305

National Item Identification Number:
012779907

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:
N24P2002407482GENERAL ELECTRIC COMPANY


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 302 OR STEEL COMP 303CU OR STEEL COMP 302B OR STEEL COMP 303MA OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 303 PLUS X OR STEEL COMP 304L OR STEEL COMP 303SE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.750 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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