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National Stock Number:
5305-01-303-1626
Federal Supply Class:
5305
National Item Identification Number:
013031626
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:
| 5189801 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5189801 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PB6-32SM-10 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.485 INCHES MINIMUM AND | | 0.515 INCHES MAXIMUM | | FASTENER LENGTH | 0.605 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.185 INCHES MINIMUM AND | | 0.215 INCHES MAXIMUM | | HEAD HEIGHT | 0.073 INCHES MINIMUM AND | | 0.083 INCHES MAXIMUM | | POINT STYLE | FLAT |
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