National Item Identification Number
01-384-3488
013843488
5305-01-384-3488
5305013843488
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
Reference Numbers (Part Numbers)
ANSI B18.3.1MB1 831DH040020N
B1831DH040020N
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD PITCH IN MILLIMETERS;
Required Description
M
4.0 MILLIMETERS
0.7
6G
RIGHT-HAND
20.0 MILLIMETERS MINIMUM AND
23.5 MILL