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National Stock Number:
5305-01-605-1629
Federal Supply Class:
5305
National Item Identification Number:
016051629
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:
| 97568A632 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 2.00 INCHES NOMINAL | | HARDNESS RATING | 70.0 ROCKWELL B NOMINAL OVERALL | | HEAD HEIGHT | 0.875 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 1 | | MATERIAL | IRON OVERALL | | MINIMUM TENSILE STRENGTH | 45000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.355 TO 0.375 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | THUMB SCREW | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.00 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 16 | | WIDTH BETWEEN FLATS | 1.8125 INCHES NOMINAL |
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