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National Stock Number:
5310-00-924-4218
Federal Supply Class:
5310
National Item Identification Number:
009244218
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:
| 29185 | 60266 | RELIANCE ELECTRIC CO TOLEDO SCALE DIV | | 325B4 | 80049 | DEPARTMENT OF THE AIR FORCE | | FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | 5310PL0823240 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | MS51970-1 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 908052 | A274N | SCANDINAVIAN MANUFACTURING SCAMA AB | | USAF325B4 | 80049 | DEPARTMENT OF THE AIR FORCE |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | COPPER ALLOY 462 OR | | COPPER ALLOY 464 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637,COMP 462JBCQQ-B-637,COMP 464 FED SPEC 1ST MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | BLACK OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.212 INCHES MINIMUM AND | | 0.226 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.4280 INCHES MINIMUM AND | | 0.4375 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED OR | | WASHER FACED | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-N-836 | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51970-1 |
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