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National Stock Number:
5305-01-532-5085
Federal Supply Class:
5305
National Item Identification Number:
015325085
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:
| CL-40-BSS-S | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD DIRECTION | LEFT-HAND | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL |
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