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National Stock Number: 5310-00-176-8171
Federal Supply Class: 5310
National Item Identification Number: 001768171
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:
325-8 | 80049 | DEPARTMENT OF THE AIR FORCE | FFB571TYPEA2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | USAF325-8 | 80049 | DEPARTMENT OF THE AIR FORCE |
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Techincal Specification:
BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 1010 OVERALL | NOMINAL THREAD SIZE | 0.500 INCHES | NUT HEIGHT | 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | NUT STYLE | HEXAGON | WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | THREAD CLASS | 2B | THREAD DIRECTION | RIGHT-HAND | THREAD QUANTITY PER INCH | 20 | THREAD SERIES | UNF |
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