National Item Identification Number

01-066-0043
010660043
5305-01-066-0043
5305010660043

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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65597

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Reference Numbers (Part Numbers)

502608-0001

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
NON

Required Description

UNC
0.250 INCHES
20
0.2088 TO 0.2108 INCHES
RIGHT-HAND
0.470 INCHES NOMINAL