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National Stock Number:
5305-01-471-7623
Federal Supply Class:
5305
National Item Identification Number:
014717623
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:
| 12460223 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5305PL0840887 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| HEAD HEIGHT | 0.440 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 5 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | COATING SHALL BE ZINC PLATE. | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
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