4540-01-083-3233 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-083-3236 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-083-3234

Federal Supply Class:
5310

National Item Identification Number:
010833234

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:
M1222N1W18C20GFNN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1050 OR STEEL COMP 1552 OR STEEL COMP 1053 OVERALL
NOMINAL THREAD SIZE1.125 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A STYLE AND 5 GRADE
NUT HEIGHT0.939 INCHES MINIMUM AND 0.999 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH7


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