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National Stock Number:
5310-00-637-0569
Federal Supply Class:
5310
National Item Identification Number:
006370569
Description:
NUT,PLAIN,HEXAGON
Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
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Manufacturer Information:
| STD1411 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5070 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1022 OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.190 INCHES NOMINAL | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.440 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AN-P-61 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNC |
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