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1020 Steel Aircraft Belleville Washers - Request for Information


1020 Steel: is a plain carbon steel grade providing increased strength and ductility.  1020 steel retains integrity in basic structural applications while still being a low cost material.


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


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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For more information on wave washers

TitlePart NumberQTY-OHDRAWINGOUTER DIAMINNER DIAMTHICK
N402P77 N402P77 4302.2400.6460.140
AN960-11 AN960-11 1700REV 18 0.6250.2340.065
NAS1149F0863B NAS1149F0863B 3300REV 4 0.8750.5150.063
N400P8 N400P8 194000.3700.1830.036
AN960-4016 AN960-4016 400REV 18 3.2502.5150.090
MS15795-906 MS15795-906 1700NASM15795 REV 1 0.3750.1560.036
MS15795-425 MS15795-425 0NASM15795 REV 1 2.2500.9380.136
TitleOutside Dia.Inside Dia.Thickness
650-3415-0620.8730.390.062
650-3429-0410.5430.3920.041
650-4459-0611.0620.6220.061
300-1104-0250.3360.2250.025
TitleOutside Dia.Inside Dia.ThicknessSizeMaterial
F10-437062NM0.4370.1960.062#10Fibre
TitleSizeOutside Dia. (min/max)Inside Dia. (min/max)ThicknessFree Height (min/max)Material
AT10-50000310.495/.505.200/.2060.003.080/.100Stainless Steel
TitleOutside Dia.Inside Dia.ThicknessMaterial
475-232-0800.4830.2070.08Aluminum

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