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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:
| FASTENER LENGTH | 0.751 INCHES NOMINAL | | HEAD HEIGHT | 0.656 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 3 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT CHAMFER ANGLE | 37.0 DEGREES NOMINAL | | POINT DIAMETER | 0.250 INCHES NOMINAL | | POINT LENGTH | 0.191 INCHES NOMINAL | | POINT STYLE | CHAMFER DOG | | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD LENGTH | 0.260 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | SQUARE | | THREAD QUANTITY PER INCH | 16 |
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