National Item Identification Number
00-151-8713
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)
80020
Reference Numbers (Part Numbers)
509441-1636
Required Categories
THREAD CLASS
THREAD LENGTH
FASTENER LENGTH
MATERIAL
MATERIAL DOCUMENT AND CL
Required Description
3A
2.500 INCHES NOMINAL
4.500 INCHES NOMINAL
STEEL COMP 4140 OR
STEEL COMP E
