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National Stock Number:
5305-01-276-1629
Federal Supply Class:
5305
National Item Identification Number:
012761629
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:
| 191081 | 0A569 | DAVCO MFG CORP | | 191081 | 1PAM0 | DAVCO TECHNOLOGY LLC | | 84-13320 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 0.550 INCHES NOMINAL | | HEAD DIAMETER | 0.550 INCHES NOMINAL | | HEAD HEIGHT | 0.350 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 360 OVERALL | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | POINT STYLE | FLAT | | SPECIAL FEATURES | CUT KEY WAY IN THREADED AREA AT A RADIUS 1.250 IN. WIDTH 0.094 IN. | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.470 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.0 |
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