National Item Identification Number

00-638-1026
006381026
5305-00-638-1026
5305006381026

National Stock Number

Item Name

THUMBSCREW

Federal Supply Class

5305

Description

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

168055PC3

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.312 INCHES
18
2A
RIGHT-HAND
0.844 INCHES MINIMUM
1.125 INCHES NOMINA