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National Stock Number:
5310-00-031-0257
Federal Supply Class:
5310
National Item Identification Number:
000310257
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:
| FFN836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE | | NUT HEIGHT | 1.245 INCHES MINIMUM AND 1.317 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING | | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 6 | | WIDTH ACROSS FLATS | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
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