National Item Identification Number
01-317-2654
013172654
5305-01-317-2654
5305013172654
National Stock Number
Item Name
SCREW,CAP,HEXAGON HEAD
Federal Supply Class
5305
Description
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.
Commercial and Government Entity Code (Supplier Data)
1Y638
WESTERN INDUSTRIAL MACHINING INC
137 HANOVER PIKE
HAMPSTEAD
MD
21074
410-239-3820
97942
Reference Numbers (Part Numbers)
121B958H01
121B958H01
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.625 INCHES
11
2A
RIGHT-HAND
1.560 INCHES MINIMUM AND
1.680 INCHES MA