"With The Largest, Most Comprehensive Inventory In The Industry, We Offer Just-in-time Production on all washer Products Fabricated in All Types of Materials....From Aluminum to Titanium!"

Mylar Milspec Bellevilles - Request for Information


Mylar: also known as PET film, is a polyester film utilized for its electrical insulation, tensile strength and chemical stability.  Mylar is also used for heat insulation. 


Milspec: Military standards are most often defined by an efficient operation and substantial longevity in inhospitable or rugged conditions and environments.  

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
N401P68 N401P68 3500.6200.1830.056
NAS1149D1032J NAS1149D1032J 0REV 4 1.1880.6400.032
NAS620A6L NAS620A6L 21377REV 7 0.2670.1430.016
AN960-1416 AN960-1416 2300REV 18 1.5000.8900.090
AN960-PD3 AN960-PD3 7800REV 21 0.2500.1050.032
TitleOutside Dia.Inside Dia.Thickness
550-18-0310.2180.0630.031
650-4365-1081.0620.5660.108
TitleOutside Dia. (min/max)Inside Dia. (min/max)Free Height (min/max)ThicknessMaterial
BB18-7190280.7190.3240.050.028Stainless Steel - 410
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
560-443-0640.4070.2560.064Special Flat Washers - BrassBrass
330-123-0310.4060.2270.031Special Flat Washers - FibreFibre

To submit a request for information or quote, please fill out the below form and submit.

© 2011 Superior Washer & Gasket Corp. All Rights Reserved.