5305-00-685-2315 SETSCREW Index 5310-00-685-2317 WASHER,SHOULDERED

National Stock Number:
5310-00-685-2316

Federal Supply Class:
5310

National Item Identification Number:
006852316

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:
STD1492-181860HUTCHINSON AEROSPACE & INDUSTRY, INC.
STD1492-188797NATIONAL PIPE CO


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIALCOPPER ALLOY 464 OVERALL
NOMINAL THREAD SIZE0.138 INCHES
NUT HEIGHT0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH32


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