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National Stock Number:
5305-00-411-2404
Federal Supply Class:
5305
National Item Identification Number:
004112404
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:
| F-10438-1 | 46717 | PETTIBONE LLC | | F10438 | 46717 | PETTIBONE LLC |
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Techincal Specification:
| FASTENER LENGTH | 9.125 INCHES NOMINAL | | HEAD HEIGHT | 0.530 INCHES MINIMUM AND 0.660 INCHES MAXIMUM | | HEAD STYLE | WING NO. 2 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT CHAMFER ANGLE | 15.0 DEGREES NOMINAL | | POINT LENGTH | 0.125 INCHES NOMINAL | | POINT STYLE | FLAT | | WIDTH BETWEEN FLATS | 1.120 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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