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National Stock Number:
5305-00-208-7429
Federal Supply Class:
5305
National Item Identification Number:
002087429
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:
| 354A5023 | 58923 | ROPER INDUSTRIES INC ROPER PUMP CO DIV |
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Techincal Specification:
| FASTENER LENGTH | 0.536 INCHES NOMINAL | | HEAD DIAMETER | 0.437 INCHES NOMINAL | | HEAD HEIGHT | 0.189 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | CONE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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