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National Stock Number:
5310-00-275-5439
Federal Supply Class:
5310
National Item Identification Number:
002755439
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:
| 2D3 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 8735 OR | | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 16.0 ROCKWELL C MINIMUM AND | | 26.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.156 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.431 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED |
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