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National Stock Number:
5305-01-107-5160
Federal Supply Class:
5305
National Item Identification Number:
011075160
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:
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Techincal Specification:
| FASTENER LENGTH | 0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM | | HEAD DIAMETER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | HEAD HEIGHT | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-D-1000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT DIAMETER | 0.562 INCHES NOMINAL | | POINT STYLE | FLAT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 32 |
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