National Item Identification Number
01-443-9974
014439974
5305-01-443-9974
5305014439974
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)
53711
53711
Reference Numbers (Part Numbers)
211067330
595-6401267 ITEM 174
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.312 INCHES
18
3A
RIGHT-HAND
1.120 INCHES NOMINAL
2.500 INCHES NOMIN