National Item Identification Number

01-381-3888
013813888
5305-01-381-3888
5305013813888

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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99862

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77445

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99862

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Reference Numbers (Part Numbers)

CL-6-SHS
PWA56300-15
PWA56300-15

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.312 INCHES
18
3A
RIGHT-HAND
1.812 INCHES NOMINAL
2.000 INCHES NOMINA