National Item Identification Number
01-256-6813
012566813
5305-01-256-6813
5305012566813
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)
03038
96214
26233
Reference Numbers (Part Numbers)
LP51957-45
NPS51957-45
53118-45
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.164 INCHES
32
2A
RIGHT-HAND
0.407 INCHES MINIMUM AND
0.500 INCHES MA