National Item Identification Number
01-288-9356
012889356
5305-01-288-9356
5305012889356
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)
78062
78062
Reference Numbers (Part Numbers)
NAS1351-7H72P
20774-001 FIND 31
20874-001 FIND 23
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRF
0.438 INCHES
20
3A
RIGHT-HAND
1.375 INCHES MINIMUM
4.420 INCHES MINIM