National Item Identification Number
01-330-5221
013305221
5305-01-330-5221
5305013305221
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)
75755
Reference Numbers (Part Numbers)
37M7030
Required Categories
NONMACHINE NOMINAL THREAD DIAMETER
FASTENER LENGTH
SURFACE TREATMENT
HEAD STY
Required Description
4.2 MILLIMETERS
25.0 MILLIMETERS NOMINAL
ZINC OVERALL
C54 OVAL COUNTERSUNK
8