5305-01-076-9085 THUMBSCREW Index 5305-01-076-9087 SCREW,SHOULDER

National Stock Number:
5305-01-076-9086

Federal Supply Class:
5305

National Item Identification Number:
010769086

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:
1301340318876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
FASTENER LENGTH2.500 INCHES NOMINAL
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
SPECIAL FEATURESDRILLED HOLE IN THREADS 0.125 IN.DIA.,0.820 IN.FROM END OF THREADS
WIDTH BETWEEN FLATS0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNF


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