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National Stock Number:
5305-01-347-8927
Federal Supply Class:
5305
National Item Identification Number:
013478927
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:
| 25291 | 21363 | BLUE TEE CORP. DBA GEFCO |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD STYLE | WING NO. 4 | | MATERIAL | STEEL OVERALL | | POINT STYLE | POINTLESS | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.639 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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