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National Stock Number:
5305-01-437-6346
Federal Supply Class:
5305
National Item Identification Number:
014376346
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:
| 5140-SS-1032 | 15526 | METRIC AND MULTISTANDARD COMPONENTS CORP | | SC5305-0042-1 | 12115 | DRS ICAS, LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 2 | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD ALL MATERIAL RESPONSES OVERALL OR MIL-W-52263 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 303 OVERALL OR STEEL COMP 416 OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072-E300 FED SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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