5310-00-221-4844 NUT,PLAIN,HEXAGON Index 5310-00-221-4846 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-221-4845

Federal Supply Class:
5310

National Item Identification Number:
002214845

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:
MILB857TYPE4STYLEA0RBGRADE181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILB857TYPEACLASSC81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.875 INCHES
NONDEFINITIVE SPEC/STD DATA4 TYPE AND A STYLE OR B STYLE AND 5 GRADE
NUT HEIGHT0.484 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH9


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