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National Stock Number:
5305-01-318-8249
Federal Supply Class:
5305
National Item Identification Number:
013188249
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:
| 173040-7 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 5611699 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7100-SS-0 | 55566 | MATTHEW WARREN, INC |
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Techincal Specification:
| FASTENER LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD DIAMETER | 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | | HEAD HEIGHT | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 2 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD LENGTH | 0.252 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 40 |
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