National Item Identification Number
01-331-6283
013316283
5305-01-331-6283
5305013316283
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
53711
Reference Numbers (Part Numbers)
5959304-51
803-5959304-X-51
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
2.250 INCHES
45
2A
RIGHT-HAND
3.380 INCHES MINIMUM AND
4.250 INCHES MA