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National Stock Number:
5305-00-968-7158
Federal Supply Class:
5305
National Item Identification Number:
009687158
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:
| 10860B | 89111 | SIEWEK TOOL CO INC |
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Techincal Specification:
| FASTENER LENGTH | 2.313 INCHES NOMINAL | | HEAD HEIGHT | 0.313 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 1 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | FULL DOG | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 1.875 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC |
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