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National Stock Number:
5310-00-331-2862
Federal Supply Class:
5310
National Item Identification Number:
003312862
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:
| 8193683 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | AN345B416 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY FINISH | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT | NICKEL OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD SERIES | UNF | | THREAD QUANTITY PER INCH | 28 |
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