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National Stock Number:
5305-01-587-9106
Federal Supply Class:
5305
National Item Identification Number:
015879106
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:
| 18012SS-12A | 0FYV4 | ACCURATE SCREW MACHINE CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | FASTENER LENGTH | 0.673 INCHES MINIMUM AND | | 0.703 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | KNURLED NO. 2 | | HEAD DIAMETER | 0.438 INCHES MINIMUM AND | | 0.458 INCHES MAXIMUM | | HEAD HEIGHT | 0.173 INCHES MINIMUM AND | | 0.203 INCHES MAXIMUM |
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