4140-14-298-0065 FAN,CIRCULATING Index 5310-14-298-0716 WASHER,KEY

National Stock Number:
5310-14-298-0522

Federal Supply Class:
5310

National Item Identification Number:
142980522

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:
84419-08F5442AIRBUS GROUP SAS
R8808F0271SENIOR AEROSPACE ERMETO
RA8808F0271SENIOR AEROSPACE ERMETO


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9050C MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2017A OVERALL
NOMINAL THREAD SIZE20.0 MILLIMETERS
NUT HEIGHT6.0 MILLIMETERS NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS29.0 MILLIMETERS NOMINAL
SURFACE TREATMENTANODIZE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS1.5
THREAD TOLERANCE CLASS2 INTERNAL
THREAD SERIESISO M


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