National Item Identification Number
00-281-3159
002813159
5305-00-281-3159
5305002813159
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)
55284
06848
Reference Numbers (Part Numbers)
MS24677-32
MS24677-32
334S674
3345674
365355PC7
43S4374-2730
650269PC3
73
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.291 INCHES MINIMUM
0.345 INCHES MINIMU