National Item Identification Number
01-189-8440
011898440
5305-01-189-8440
5305011898440
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)
G50556
SS845-2180772 PIECE 53
2640-680X2 PIECE 53
845-2180772
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.500 INCHES
13
3A
RIGHT-HAND
1.140 INCHES MINIMUM
2.250 INCHES NOMINA