National Item Identification Number
01-457-1228
014571228
5305-01-457-1228
5305014571228
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
60848
ALLIED SYSTEMS COMPANY INC
DBA ALLIED MARINE CRANE DIVISION
21433 SW OREGON STREET
SHERWOOD
OR
97140
503-625-2560
Reference Numbers (Part Numbers)
235650
238652
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
FAS
Required Description
UNC
0.250 INCHES
20
1.250 INCHES NOMINAL
STEEL CORROSION RESISTING OVERALL;