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National Stock Number:
5305-00-206-3741
Federal Supply Class:
5305
National Item Identification Number:
002063741
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:
| TB209-1022REV1PT1 | 3B150 | RAYTHEON COMPANY | | TB209-1022REV1PT1 | 49956 | RAYTHEON COMPANY | | YA1587-1107P1 | 3B150 | RAYTHEON COMPANY | | YA1587-1107P1 | 49956 | RAYTHEON COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.562 INCHES NOMINAL | | FASTENER LENGTH | 2.312 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.135 INCHES NOMINAL | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 9 | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | FLAT | | SECOND DIAMETER FROM HEAD | 0.312 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.188 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC |
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