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National Stock Number:
5305-01-542-0577
Federal Supply Class:
5305
National Item Identification Number:
015420577
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:
| 91035A350 | 2V507 | MCMASTER-CARR SUPPLY COMPANY | | 91035A350 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 5 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | KNURLED, HEAD SCREW | | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | CONE | | SPECIAL FEATURES | FEATURES A KNURLED HEAD WITH A SLOTTED INTERNAL DRIVE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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