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National Stock Number:
5310-99-371-1087
Federal Supply Class:
5310
National Item Identification Number:
993711087
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:
| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION | | S3S18245000-91 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | COUNTERSINK ANGLE | 110.0 DEGREES MINIMUM AND 130.0 DEGREES MAXIMUM FIRST END | | HARDNESS RATING | 302.0 BRINELL STANDARD MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 12.00 MILLIMETERS | | NUT HEIGHT | 6.64 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | STRENGTH GRADE DESIGNATION 4 | | WIDTH ACROSS FLATS | 18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM | | THREAD DIRECTION | LEFT-HAND | | THREAD PITCH IN MILLIMETERS | 1.75 | | THREAD TOLERANCE CLASS | 6H INTERNAL | | THREAD SERIES | ISO M |
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