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National Stock Number:
5305-01-051-4334
Federal Supply Class:
5305
National Item Identification Number:
010514334
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:
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Techincal Specification:
| FASTENER LENGTH | 2.344 INCHES MINIMUM AND 2.406 INCHES MAXIMUM | | HEAD DIAMETER | 1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM | | HEAD HEIGHT | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | PLASTIC ACETAL OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | POINT LENGTH | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | POINT STYLE | BALL | | POINT DIAMETER | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.750 INCHES MINIMUM AND 1.774 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 11 |
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