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National Stock Number:
5305-00-792-7371
Federal Supply Class:
5305
National Item Identification Number:
007927371
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:
| 17-12-106-11 | 94222 | SOUTHCO INC | | 510A282 | 58923 | ROPER INDUSTRIES INC ROPER PUMP CO DIV |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | SQUARE | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.260 INCHES MINIMUM | | FASTENER LENGTH | 0.751 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HEAD STYLE | THUMB NO. 3 | | HEAD HEIGHT | 0.656 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL | | POINT STYLE | CHAMFER DOG | | POINT LENGTH | 0.191 INCHES NOMINAL | | POINT DIAMETER | 0.250 INCHES NOMINAL | | POINT CHAMFER ANGLE | 37.0 DEGREES NOMINAL |
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