5305-00-051-4444 THUMBSCREW Index 6625-00-051-4446 VOLTMETER

National Stock Number:
5305-00-051-4445

Federal Supply Class:
5305

National Item Identification Number:
000514445

Description:
THUMBSCREW

Detail:
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).


Manufacturer Information:
503016-249033ENTRUST CORPORATION


Techincal Specification:
FASTENER LENGTH0.687 INCHES NOMINAL
HEAD HEIGHT0.625 INCHES NOMINAL
HEAD STYLETHUMB NO. 3
NOMINAL THREAD DIAMETER0.250 INCHES
MATERIALSTEEL OVERALL
POINT STYLEFLAT
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.687 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL


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