National Item Identification Number
01-417-2507
014172507
5305-01-417-2507
5305014172507
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)
D9182
80204
D9182
53711
Reference Numbers (Part Numbers)
0.250-20UNRC-3A X 1.250 IN LG
0.250-20UNRC-3AX1.250 IN LG
211048479
752-64068
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.250 INCHES
20
3A
1.250 INCHES NOMINAL
STEEL CORROSION RESISTING OVER