National Item Identification Number
01-189-9839
011899839
5305-01-189-9839
5305011899839
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)
21439
56878
Reference Numbers (Part Numbers)
52-W-2291-803
72531L-6C-20C
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.375 INCHES
16
3A
RIGHT-HAND
1.125 INCHES MINIMUM AND
1.250 INCHES M