5310-01-006-5019 NUT,PLAIN,HEXAGON Index 5310-01-006-5021 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-01-006-5020

Federal Supply Class:
5310

National Item Identification Number:
010065020

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:
645081-51S45934ONTIC ENGINEERING & MANUFACTURING, INC
645081-51S99551GOODRICH CORPORATION
JHX14-01680103VEECO INSTRUMENTS INC LAMBDA DIV


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.156 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF


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