National Item Identification Number
00-256-8620
002568620
5305-00-256-8620
5305002568620
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)
77445
D9182
Reference Numbers (Part Numbers)
NAS1352-4-14
PWA82004-26
00047
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.250 INCHES
20
3A
RIGHT-HAND
0.759 INCHES MINIMUM AND
0.891 INCHES M