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National Stock Number:
5305-00-004-7397
Federal Supply Class:
5305
National Item Identification Number:
000047397
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:
| 1111622-1 | 33030 | OPTICAL RADIATION CORPORATION DBA ORC LIGHTING PRODUCTS |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT LENGTH | 0.187 INCHES NOMINAL | | POINT STYLE | DOG | | POINT DIAMETER | 0.187 INCHES NOMINAL | | SPECIAL FEATURES | GROOVE 0.018 IN. MIN,0.20 IN. MAX W BY 0.174 IN. MIN,0.176 IN. MAX DIA,0.060 IN. FROM POINT END | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.337 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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