5310-00-527-4089 NUT,PLAIN,HEXAGON Index 5310-00-527-4091 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-527-4090

Federal Supply Class:
5310

National Item Identification Number:
005274090

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.)


Manufacturer Information:
2D1340AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM NUT
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.556 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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