5310-01-519-4725 WASHER,FLAT Index 5320-01-519-4727 PIN-RIVET

National Stock Number:
5310-01-519-4726

Federal Supply Class:
5310

National Item Identification Number:
015194726

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:
AS5178T040U583SAE INTERNATIONAL
AS5178T0481343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
NUT HEIGHT0.250 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD SIZE0.437 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, PLAIN, HEXAGON
WIDTH ACROSS FLATS0.678 INCHES MINIMUM AND 0.691 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2488 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2486 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR PHOSPHATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH20


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