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National Stock Number:
5305-01-201-1017
Federal Supply Class:
5305
National Item Identification Number:
012011017
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:
| 2318104 | 22380 | DRS PHOTRONICS, INC. DBA DRS PHOTRONICS, INC. | | 2318104 | 54089 | DRS C3 & AVIATION COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.160 INCHES NOMINAL | | HEAD HEIGHT | 0.400 INCHES NOMINAL | | HEAD DIAMETER | 2.000 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | POINT LENGTH | 0.030 INCHES NOMINAL | | POINT STYLE | FLAT | | SPECIAL FEATURES | UNDERCUT HEAD 0.100 WIDE X 0.430 DIA | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPEII,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.150 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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