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National Stock Number: 5305-00-206-7723
Federal Supply Class: 5305
National Item Identification Number: 002067723
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).
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Manufacturer Information:
1563 | 74954 | JAY BEE MACHINE WORKS, INC | 21396 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
FASTENER LENGTH | 0.688 INCHES NOMINAL | HEAD DIAMETER | 0.625 INCHES NOMINAL | HEAD HEIGHT | 0.438 INCHES NOMINAL | HEAD STYLE | KNURLED NO. 1 | MATERIAL | STEEL COMP 1212 OR STEEL COMP 1213 OVERALL | NOMINAL THREAD DIAMETER | 0.138 INCHES | POINT STYLE | OVAL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.625 INCHES MINIMUM | THREAD QUANTITY PER INCH | 32 | THREAD SERIES DESIGNATOR | UNC |
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