5975-01-023-1953 BUSHING,ELECTRICAL CONDUIT Index 5310-01-023-1956 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-023-1955

Federal Supply Class:
5310

National Item Identification Number:
010231955

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:
FF-N-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35691-10296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.375 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 5 STYLE AND C GRADE
NUT STYLEHEXAGON
NUT HEIGHT0.747 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
WIDTH ACROSS FLATS1.994 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNF


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