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National Stock Number:
5305-01-127-2534
Federal Supply Class:
5305
National Item Identification Number:
011272534
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:
| 13044427 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13044427 | 26772 | WEGO PRECISION MACHINE, INC. | | 13044427 | 64609 | BANNER MACHINE COMPANY, INC. | | 13044427 | 8M850 | SHANNON MFG CO INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.560 INCHES NOMINAL | | FASTENER LENGTH | 1.065 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-186 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | WING NO. 2 | | HEAD HEIGHT | 0.790 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | POINT STYLE | FLAT | | POINT LENGTH | 0.250 INCHES NOMINAL | | POINT DIAMETER | 0.186 INCHES NOMINAL | | POINT CHAMFER ANGLE | 90.0 DEGREES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 13044427 |
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