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National Stock Number:
5305-00-474-6767
Federal Supply Class:
5305
National Item Identification Number:
004746767
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:
| 47123 | 70270 | STEWART-WARNER ALEMITE SALES CO INC | | 47123 | 95879 | STEWART-WARNER ALEMITE CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.703 INCHES NOMINAL | | HEAD DIAMETER | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.266 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT CHAMFER ANGLE | 60.0 DEGREES NOMINAL | | POINT DIAMETER | 0.141 INCHES NOMINAL | | POINT LENGTH | 0.305 INCHES NOMINAL | | POINT STYLE | FLAT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.344 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNEF |
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