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National Stock Number:
5305-01-606-4909
Federal Supply Class:
5305
National Item Identification Number:
016064909
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:
| 97568A624 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.00 INCHES NOMINAL | | FASTENER LENGTH | 1.00 INCHES NOMINAL | | MATERIAL | IRON CAST OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 70.0 ROCKWELL B MINIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 45000 POUNDS PER SQUARE INCH | | HEAD STYLE | THUMB NO. 1 | | HEAD HEIGHT | 0.875 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.8125 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,WING | | THREAD SERIES DESIGNATOR | UNC |
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