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National Stock Number:
5305-00-032-5449
Federal Supply Class:
5305
National Item Identification Number:
000325449
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:
| 251-167B | 54880 | BERKEY MARKETING COMPANIES DIV OF BERKEY INC | | 9-151-0167-10 | 54880 | BERKEY MARKETING COMPANIES DIV OF BERKEY INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MINIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | HEAD STYLE | KNURLED NO. 3 | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | POINT STYLE | FLAT | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.389 INCHES MINIMUM AND | | 0.391 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.125 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM FIRST SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 54880 | | DESIGN CONTROL REFERENCE | 9-151-0167-10 |
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