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National Stock Number:
5310-00-266-0377
Federal Supply Class:
5310
National Item Identification Number:
002660377
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:
| 18277R1 | 29930 | INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV | | 18277R1 | 31007 | NAVISTAR INTL CORP | | FFB571TYPEA2CLASSC | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | 18277R1 | 92679 | NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2B | | THREAD DIRECTION | LEFT-HAND | | MATERIAL | STEEL OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.402 INCHES MINIMUM AND | | 0.442 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.7880 INCHES MINIMUM AND | | 0.8125 INCHES MAXIMUM | | BEARING SURFACE TYPE | WASHER FACED | | NONDEFINITIVE SPEC/STD DATA | A2 TYPE AND | | C CLASS | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB571TYPEA2CLASSC |
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