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National Stock Number:
5305-01-055-2831
Federal Supply Class:
5305
National Item Identification Number:
010552831
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:
| 484875-1 | 49956 | RAYTHEON COMPANY | | 484875-1 | 53849 | DE-CHA INC |
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Techincal Specification:
| FASTENER LENGTH | 0.880 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 2 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.880 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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