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National Stock Number:
5310-00-022-0070
Federal Supply Class:
5310
National Item Identification Number:
000220070
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:
| 220070 | 29930 | INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV | | 220070 | 56442 | DIAMOND REO TRUCK CO | | P1145 | 22888 | FMC CORP | | P1145 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | FFB571TYPEA | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.258 INCHES MINIMUM AND | | 0.273 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.552 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED OR | | WASHER FACED | | NONDEFINITIVE SPEC/STD DATA | 5 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB571TYPEA |
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