National Item Identification Number
01-445-4142
014454142
5305-01-445-4142
5305014454142
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
Reference Numbers (Part Numbers)
26M54-3001 ITEM 136
60-16-1469
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.500 INCHES
13
3A
4.750 INCHES NOMINAL
FF-S-86, TY 6, MODIFIED BY THRE