National Item Identification Number
01-254-4189
012544189
5305-01-254-4189
5305012544189
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)
53711
43689
43689
Reference Numbers (Part Numbers)
400-5530886 ITEM 45
6750-607 ITEM 45
9762055
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.312 INCHES
18
2A
RIGHT-HAND
1.120 INCHES MINIMUM AND
1.710 INCHES MA