National Item Identification Number
01-471-7973
014717973
5305-01-471-7973
5305014717973
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)
53711
53711
Reference Numbers (Part Numbers)
5001003
803-5001003-C9X1-05
Required Categories
NOMINAL THREAD DIAMETER
THREAD CLASS
MATERIAL
HEAD STYLE
HEAD HEIGHT
WIDTH
Required Description
2.500 INCHES
2A
STEEL OVERALL
C1 HEXAGON
1.531 INCHES NOMINAL
3.750 INCHES