4540-01-203-8390 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-203-8392 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-203-8391

Federal Supply Class:
5310

National Item Identification Number:
012038391

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:
NAS1423-08LH80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
DRILLED HOLE DIAMETER0.034 INCHES MINIMUM AND 0.039 INCHES MAXIMUM
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL BOTH ENDS
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL STD SINGLE MATERIAL RESPONSE OR MIL-S-5000 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 4340 OVERALL
NOMINAL THREAD SIZE0.1640 INCHES
NUT HEIGHT0.156 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIFICATION/STANDARD DATA80205-NAS1423 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS0.334 INCHES MINIMUM AND 0.346 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE2,CLASS2 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONLEFT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNJC


Click here to Register for Free 30-day Trial