National Item Identification Number
01-296-8619
012968619
5305-01-296-8619
5305012968619
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)
0R503
AMERICAN SOCIETY OF MECHANICAL
ENGINEERS INC
1828 L ST NW SUITE 906
WASHINGTON
DC
20036
202-785-3756
0R503
AMERICAN SOCIETY OF MECHANICAL
ENGINEERS INC
1828 L ST NW SUITE 906
WASHINGTON
DC
20036
202-785-3756
64104
DRESSER INC
WAUKESHA ENGINE DIV
15455 DALLAS PKY NO 1100
ADDISON
TX
75001
262-549-2834
Reference Numbers (Part Numbers)
B18.3
TABLE 1A
701604
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.250 INCHES
20
3A
RIGHT-HAND
0.500 INCHES NOMINAL
0.500 INCHES NOMIN