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Beryllium Copper Aircraft Bellevilles - Request for Information


Beryllium Copper: is a metal alloy composed of copper and beryllium.  It is primarily utilized for its properties of weldablity, resistance to non-oxidizing acids, and for its flexibility and shape retention.   


Aircraft:  deals with the development and manufacturing of products, structures, materials and devices used in aircrafts for a variety of markets.  Aircraft standards are established based on the extreme temperature, pressure and ware exposure faced in air operations.  

Bellevilles: sometimes referred to as disk springs, may be stacked to create a more constant spring effect and various degrees of deflection according to the application needs. 

For more information on bellevilles
TitlePart NumberQTY-OHDRAWINGOUTER DIAMINNER DIAMTHICK
AN960-2016 AN960-2016 0REV 18 2.0001.2650.090
N400P4 N400P4 1021000.2140.1040.022
MS51859-2 MS51859-2 24615REV C 0.2750.1150.031
N402P68 N402P68 13810.6200.1830.056
N402P81 N402P81 03.2301.1680.140
TitleOutside Dia.Inside Dia.MaterialThickness
380-25-0150.2480.098 316 Stainless Steel0.015
TitleSizeOutside Dia. (min/max)Inside Dia. (min/max)ThicknessFree Height (min/max)Material
AT20-62401620.620/.630.384/.3940.016.110/.130Stainless Steel
TitleOutside Dia.Inside Dia.Thickness
220-241-0400.390.1780.04
TitleOutside Dia. (min/max)Inside Dia. (min/max)Free Height (min/max)ThicknessMaterial
CB6-3200250.320.1470.0490.025Spring Steel
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
815-236-0610.7960.630.061Special Flat Washers - CopperCopper

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