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National Stock Number:
5310-00-022-0072
Federal Supply Class:
5310
National Item Identification Number:
000220072
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:
| 1942 | 70940 | ENTERPRISE FABRICATORS INC | | FFB571TYPEA | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY HEIGHT RQMT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES | | NONDEFINITIVE SPEC/STD DATA | A TYPE | | NUT HEIGHT | 0.340 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.7280 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNC | | THREAD QUANTITY PER INCH | 14 |
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