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National Stock Number:
5305-00-638-8425
Federal Supply Class:
5305
National Item Identification Number:
006388425
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:
| A241992-2 | 06845 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.203 INCHES NOMINAL | | HEAD DIAMETER | 0.328 INCHES NOMINAL | | HEAD HEIGHT | 0.406 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | FLAT | | SURFACE TREATMENT | NICKEL OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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