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Mica Milspec Bellevilles - Request for Information


Mica: is processed primarily for properties of electric insulation.  Thermal resistance and dielectric strength qualities can be dictated by the thickness the mica is split.  Mica also offers optimal chemical stability and serves as a useful manufacturing alternative to glass. 


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
N401P7C N401P7C 246000.3070.1510.028
NAS1587-8L NAS1587-8L 0REV 4 STAMPED W/PN 0.8750.5040.031
MS15795-846B MS15795-846B 25400NASM15795 REV 1 0.3750.2030.019
AN901-20A AN901-20A 0REV 10 1.8701.6300.048
MS15795-952 MS15795-952 6270NASM15795 REV 1 0.6880.4060.024
TitleOutside Dia.Outside Dia. ToleranceInside Dia.Inside Dia. Tolerance
SU-124-.244+.005-.000.157+.005-.000
TitleOutside Dia.Inside Dia.Thickness
650-3473-0180.5620.3940.018
650-1510-0600.4920.2040.06
TitleOutside Dia.Inside Dia.ThicknessFree HeightMaterial
BW28-865015.860/.870.660/.6700.015.050/.070Stainless Steel - 410
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
460-118-0100.4070.2560.01Special Flat Washers - High Carbon SteelHigh Carbon Steel

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