National Item Identification Number
01-296-7811
012967811
5305-01-296-7811
5305012967811
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)
80204
39428
Reference Numbers (Part Numbers)
MIL-S-1222
1/2-13UNC-3AX3/4 IN. LG, STL
91251A710
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.500 INCHES
13
3A
RIGHT-HAND
0.566 INCHES MINIMUM AND
0.750 INCHES MA