National Item Identification Number
00-054-4973
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)
06725
06950
ALCOA GLOBAL FASTENERS INC
DIV CITY OF INDUSTRY OPERATIONS
13001 TEMPLE AVE
LA PUENTE
CA
91746
805-991-1270
17446
27624
73197
76823
80539
92215
Reference Numbers (Part Numbers)
51B234-3
51B234-3
51B234-3
51B234-3
51B234-3
51B234-3
51B234-3
51B234-3
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.316 INCHES MINIMUM
0.503 INCHES NOMINA