National Item Identification Number
01-321-3572
013213572
5305-01-321-3572
5305013213572
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)
56878
81873
Reference Numbers (Part Numbers)
20097-7C-76D
84000779-001
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.438 INCHES
14
3A
RIGHT-HAND
2.000 INCHES NOMINAL
4.750 INCHES NOMINA