5310-00-639-0409 NUT,PLAIN,HEXAGON Index 5310-00-639-0415 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-639-0413

Federal Supply Class:
5310

National Item Identification Number:
006390413

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:
6779780254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
67797R1120SATAIR A/S


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NUT HEIGHT0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNF
WIDTH ACROSS FLATS1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM


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