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National Stock Number:
5305-00-900-8942
Federal Supply Class:
5305
National Item Identification Number:
009008942
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:
| 05146-000-0547 | 79343 | ASRC FEDERAL FACILITIES LOGISTICS, LLC | | 05146-000-0547 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV | | 5146-000-0547 | 87990 | QUARTERMASTER GENERAL | | 5146-000-0547 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.170 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | ZINC ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.395 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.300 INCHES NOMINAL FIRST SHOULDER | | POINT STYLE | FLAT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 |
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