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National Stock Number:
5305-20-000-1641
Federal Supply Class:
5305
National Item Identification Number:
200001641
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:
| B71014255 | 38250 | NORTHERN TECHNOLOGIES CORP. DBA NORTHERN TECHNOLOGIES CORP. |
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Techincal Specification:
| FASTENER LENGTH | 1.900 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | TEE BOLT CYLINDRICAL HEAD DIAMETER | 0.156 INCHES NOMINAL | | THREAD LENGTH | 0.240 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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