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National Stock Number:
5305-21-920-2313
Federal Supply Class:
5305
National Item Identification Number:
219202313
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:
| 10558386 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 10.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 105.0 MILLIMETERS NOMINAL | | HEAD DIAMETER | 29.8 MILLIMETERS MINIMUM AND 30.5 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 10.0 MILLIMETERS NOMINAL | | HEAD STYLE | DEE CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J403 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | POINT DIAMETER | 6.0 MILLIMETERS NOMINAL | | POINT LENGTH | 6.0 MILLIMETERS NOMINAL | | POINT STYLE | DOG | | NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS | | SHOULDER DIAMETER | 10.5 MILLIMETERS MINIMUM SECOND SHOULDER AND 11.5 MILLIMETERS MAXIMUM SECOND SHOULDER | | SHOULDER DIAMETER | 22.0 MILLIMETERS NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER LENGTH | 54.0 MILLIMETERS MINIMUM ALL SHOULDERS AND 56.0 MILLIMETERS MAXIMUM ALL SHOULDERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, CLASS FE/ZN12, TYPE 2, SC3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 37.0 MILLIMETERS MINIMUM AND 49.0 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | ISO M |
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