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National Stock Number: 5310-01-026-4705
Federal Supply Class: 5310
National Item Identification Number: 010264705
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:
12000001 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
BEARING SURFACE FINISH | 125.0 MICROINCHES | BEARING SURFACE TYPE | CHAMFERED | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | MATERIAL | STEEL COMP 4140 OVERALL | NOMINAL THREAD SIZE | 0.438 INCHES | NUT HEIGHT | 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM | NUT STYLE | HEXAGON | SPECIAL FEATURES | FLANGED ON ONE END 1.170 IN. NOM DIA,0.450 IN. NOM LG | WIDTH ACROSS FLATS | 0.682 INCHES MINIMUM AND 0.687 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3B | THREAD DIRECTION | RIGHT-HAND | THREAD SERIES | UNF | THREAD QUANTITY PER INCH | 20 |
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