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National Stock Number:
5305-01-566-8019
Federal Supply Class:
5305
National Item Identification Number:
015668019
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:
| 90195A700-1/4-20X0.750 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| HARDNESS RATING | 70.0 ROCKWELL B NOMINAL OVERALL | | HEAD STYLE | WING NO. 1 | | MATERIAL | IRON OVERALL | | MINIMUM TENSILE STRENGTH | 45000 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WING-HEAD THUMB SCREW | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL |
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