National Item Identification Number
01-365-4857
013654857
5305-01-365-4857
5305013654857
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)
75906
3A054
MCMASTER-CARR SUPPLY COMPANY
9630 NORWALK BLVD.
SANTA FE SPRINGS
CA
90670
562-695-2449
39428
Reference Numbers (Part Numbers)
S53090-539
92949A539
92949A539
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.625 INCHES NOMINAL
STEEL CORROSION RES