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National Stock Number:
5305-00-579-5516
Federal Supply Class:
5305
National Item Identification Number:
005795516
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:
| 80-0602-00-719 | 81860 | HUTCHINSON AEROSPACE & INDUSTRY, INC. | | 800602-00719 | 00QZ2 | AEK TECHNOLOGY, LLC | | 800602-00719 | 81860 | HUTCHINSON AEROSPACE & INDUSTRY, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM | | FASTENER LENGTH | 1.156 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | HEAD STYLE | THUMB NO. 1 | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.000 INCHES MINIMUM AND | | 1.188 INCHES MAXIMUM | | POINT STYLE | FLAT | | SPECIAL FEATURES | 2 DRILLED HOLES IN HEAD 0.062 IN. DIA | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81860 | | DESIGN CONTROL REFERENCE | 800602-00719 |
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