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National Stock Number:
5305-00-059-4092
Federal Supply Class:
5305
National Item Identification Number:
000594092
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:
| 594092 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | MS21316-25 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.468 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 3 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | FLAT | | SHOULDER DIAMETER | 0.335 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH BETWEEN FLATS | 0.410 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.667 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC |
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