5310-00-527-5145 WASHER,FLAT Index 5307-00-527-5151 STUD,STEPPED

National Stock Number:
5310-00-527-5148

Federal Supply Class:
5310

National Item Identification Number:
005275148

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:
MILB85781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
DEPARTURE FROM CITED DOCUMENTASMODIFIED BY MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-3-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1212 OVERALL
NOMINAL THREAD SIZE0.625 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE
NUT HEIGHT0.509 INCHES MINIMUM AND 0.553 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNF


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