National Item Identification Number
00-021-4002
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)
24617
24617
70876
BATH IRON WORKS CORPORATION
700 WASHINGTON ST
BATH
ME
04530
207-442-2827
57733
STEWART-WARNER CORPORATION
7252 W. IBSEN
CHICAGO
IL
60631
773-763-9568
Reference Numbers (Part Numbers)
SP502
143177
214002
6S8
76771
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.750 INCHES NOMINAL
0.750 INCHES NOMINA
