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National Stock Number:
5305-00-359-8869
Federal Supply Class:
5305
National Item Identification Number:
003598869
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:
| 504004 | 21305 | SINGER CO THE UNITED STATES DIV - SEWING PRODUCTS GROUP | | 51224 | 77948 | SINGER CO THE | | 51224-818 | 77948 | SINGER CO THE | | 51224B | 77948 | SINGER CO THE | | 51224W | 77948 | SINGER CO THE |
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Techincal Specification:
| FASTENER LENGTH | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | HEAD HEIGHT | 0.359 INCHES NOMINAL | | POINT DIAMETER | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM | | POINT LENGTH | 0.094 INCHES NOMINAL | | POINT STYLE | DOG | | THREAD LENGTH | 0.218 INCHES NOMINAL |
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