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National Stock Number:
5305-01-610-5235
Federal Supply Class:
5305
National Item Identification Number:
016105235
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:
| 10-52948 | 0A0B7 | MAINSTREAM ENGINEERING CORP | | 10-52948 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER | | 91746A652 | 0KVE6 | MCMASTER-CARR SUPPLY CO | | 91746A652 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 0.3125 INCHES NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 18.8 OVERALL | | HARDNESS RATING | 65.0 ROCKWELL B NOMINAL OVERALL | | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH | | HEAD STYLE | KNURLED NO. 5 | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, THUMB, KNURLED, SLOTTED HEAD |
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