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National Stock Number:
5310-01-276-3340
Federal Supply Class:
5310
National Item Identification Number:
012763340
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:
| MS51968-42 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | C GRADE | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.245 INCHES MINIMUM AND 1.317 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD SERIES | UNF | | THREAD QUANTITY PER INCH | 12 |
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