National Item Identification Number
00-167-1788
001671788
5305-00-167-1788
5305001671788
National Stock Number
Item Name
SCREW,TAPPING
Federal Supply Class
5305
Description
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MS21207C8-8
Required Categories
NONMACHINE NOMINAL THREAD DIAMETER
FASTENER LENGTH
HEAD STYLE
INTERNAL DRIVE
Required Description
0.164 INCHES
0.500 INCHES NOMINAL
C50 FLAT COUNTERSUNK
D21 WITHOUT INTERNAL D