5310-01-068-5518 NUT,PLAIN,HEXAGON Index 5310-01-068-5520 NUT,PLAIN,CLINCH

National Stock Number:
5310-01-068-5519

Federal Supply Class:
5310

National Item Identification Number:
010685519

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:
MS9882-110U583SAE INTERNATIONAL
MS9882-1181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9882-1196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DRILLED HOLE DIAMETER0.043 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
BEARING SURFACE FINISH63.0 MICROINCHES
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY2 DRILLED
NUT HEIGHT0.266 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.312 INCHES
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH24


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