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National Stock Number:
5305-00-206-3738
Federal Supply Class:
5305
National Item Identification Number:
002063738
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:
| 29J693P1 | 03538 | LOCKHEED MARTIN CORPORATION | | M29J693REV36PT1 | 03538 | LOCKHEED MARTIN CORPORATION | | M29J693REV36PT1 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.781 INCHES NOMINAL | | HEAD DIAMETER | 0.562 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | B11H18C FSCM 16325 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | OVAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.188 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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