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National Stock Number:
5305-01-609-8761
Federal Supply Class:
5305
National Item Identification Number:
016098761
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:
| 90462A510 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| COLOR | OFF-WHITE OVERALL | | FASTENER LENGTH | 0.828125 INCHES NOMINAL | | HEAD DIAMETER | 0.421875 INCHES NOMINAL | | HEAD HEIGHT | 0.328125 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 5 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NYLON KNURLED-HEAD THUMB SCREW | | MATERIAL | GLASS FIBER AND PLASTIC POLYAMIDE NYLON OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.328125 INCHES NOMINAL ALL SHOULDERS | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER LENGTH | 0.1875 INCHES NOMINAL ALL SHOULDERS | | SPECIAL FEATURES | ITEM HAS A TEMPERATURE RANGE OF -40 TO 230 DEGREES F. IT IS NONCONDUCTIVE AND CHEMICAL RESISTANT. NYLON ABSORBS ENVIRONMENTAL MOISTURE, WHICH CAN AFFECT DIMENSIONS AND OTHER PROPERTIES. | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.50 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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