5307-00-576-6663 STUD,RECESSED AND STEPPED Index 5310-00-576-6665 WASHER,SPRING TENSION

National Stock Number:
5310-00-576-6664

Federal Supply Class:
5310

National Item Identification Number:
005766664

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:
K359294-1184955KAMAN AEROSPACE CORPORATION


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING26.0 ROCKWELL C NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT HEIGHT0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.614 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH16


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