National Item Identification Number
01-303-2820
013032820
5305-01-303-2820
5305013032820
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)
Reference Numbers (Part Numbers)
1550062P62
Required Categories
THREAD SERIES DESIGNATOR
THREAD QUANTITY PER INCH
THREAD CLASS
MATERIAL
MATE
Required Description
UNC
16
2A
STEEL CORROSION RESISTING OVERALL
FF-S-85 FED SPEC SINGLE MATERIAL