National Item Identification Number
01-442-6559
014426559
5305-01-442-6559
5305014426559
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)
43689
43689
D9182
Reference Numbers (Part Numbers)
123-4403540 PART 98
123-4498410 PART 98
4498410-98
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.375 INCHES
16
3A
RIGHT-HAND
1.250 INCHES MINIMUM AND
1.750 INCHES MA
