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National Stock Number:
5305-01-431-2207
Federal Supply Class:
5305
National Item Identification Number:
014312207
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:
| 136661-1 | 37695 | RAYTHEON COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.900 INCHES NOMINAL | | COLOR | BLACK OVERALL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.280 INCHES NOMINAL | | HEAD DIAMETER | 0.620 INCHES NOMINAL | | HEAD HEIGHT | 0.900 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.600 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL |
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