5305-00-148-4269 SCREW,ASSEMBLED WASHER Index 5305-00-148-4278 SCREW,MACHINE

National Stock Number:
5305-00-148-4275

Federal Supply Class:
5305

National Item Identification Number:
001484275

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:
22D30AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNC
THREAD LENGTH0.750 INCHES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
MATERIALSTEEL COMP 8735 OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.188 INCHES NOMINAL
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL


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