National Item Identification Number
01-521-1785
015211785
5305-01-521-1785
5305015211785
National Stock Number
Item Name
SCREW,CAP,SOCKET HEAD
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Commercial and Government Entity Code (Supplier Data)
96169
96169
53711
96169
Reference Numbers (Part Numbers)
B434-8310-11
MIL-S-12222
0.250-20UNC-3A X 1.750LG NICU
218007702
596-7409258
Required Categories
Required Description