National Item Identification Number
01-128-5112
011285112
5305-01-128-5112
5305011285112
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)
11083
NSN (National Stock Number) 5305-01-128-5112, 5305011285112 NIIN (National Identification Number) 01-128-5112, 011285112
Part Numbers (Reference Numbers)
5P5034
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
1.248 INCHES NOMINAL
4.748 INCHES NOMINA