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National Stock Number:
5305-00-531-9739
Federal Supply Class:
5305
National Item Identification Number:
005319739
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:
| BYRF509 | 05624 | GE AVIATION SYSTEMS LLC |
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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 | 1.250 INCHES MAXIMUM | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HEAD STYLE | THUMB NO. 1 | | HEAD HEIGHT | 0.562 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.844 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | ROUND CHORD | | POINT STYLE | FLAT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 05624 | | DESIGN CONTROL REFERENCE | BYRF509 |
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