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Beryllium Copper Commercial Belleville Washers - 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.   


Commercial:  refers to those industries developing and manufacturing products for consumer use.  While the industrial term is broad, commercial components must comply with all product and application criteria to provide functionality, and in many cases, a cosmetically and commercially appealing quality.


Belleville Washers: are non-flat, cupped washes that provide load-bearing and deflection properties due to a subtitle conical shape.  In addition to introducing spring and flexibility characteristics to the seal, Belleville washers function as locking devices in low dynamic load applications. 

Washers: circular hardware used for spacing, load distribution, sealing and vibration reduction.  Washers are produced through stamping and shaping a variety of materials including various metal, plastic, rubber and fiber.  

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TitlePart NumberQTY-OHDRAWINGOUTER DIAMINNER DIAMTHICK
N400P86 N400P86 04.9802.1050.219
MS27183-53 MS27183-53 2400REV J 0.8750.3120.051
MS15795-844 MS15795-844 94310NASM15795 REV 1 0.2180.0940.018
AN960-10L REV21 AN960-10L REV21 400725REV 21 0.4380.2030.032
N402P69C N402P69C 00.7450.1980.056
AN960-C3016 AN960-C3016 170REV 21 2.6251.8900.090
N402P38C6 N402P38C6 57500.4950.1830.036
TitleOutside Dia.Inside Dia.Thickness
650-2489-0210.5110.2780.021
650-1188-0300.8120.190.03
650-4307-0890.8750.5620.089
300-3060-0051.3641.1370.005
TitleOutside Dia. (min/max)Inside Dia. (min/max)Free Height (min/max)ThicknessMaterial
CB6-3080100.3080.160.0240.01Spring Steel
TitleABCThickness
250-25-09010.3760.3020.09
TitleSizeOutside Dia. (min/max)Inside Dia. (min/max)ThicknessFree Height (min/max)Material
BT10-37000610.365/.375.195/.2050.006.060/.080Stainless Steel - 410

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