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Beryllium Copper Aerospace Special Flat 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.   


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


Special Flat Washers:  are non-spring/wave flat spacers that have been customized through material, diameter measurements and/or height (thickness).  Specials washers are most often defined by non-circular or notched qualities in their composition.  


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
N401P3C N401P3C 10000.1830.0890.022
N401P36 N401P36 00.4010.1360.036
NAS1149B0463H NAS1149B0463H 0REV 4 0.5000.2650.063
MS15795-501 MS15795-501 0NASM15795 REV 1 0.1880.0780.016
NAS1149D1032J NAS1149D1032J 0REV 4 1.1880.6400.032
MS51496-P85 MS51496-P85 7850REV B 0.6200.4010.045
NAS1149C0663R NAS1149C0663R 96325REV 4 0.6250.3900.063
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
560-325-0591.0010.1890.059Special Flat Washers - BrassBrass
TitleOutside Dia.Inside Dia.Thickness
300-25-0200.37200.02
300-2870-0701.2490.8770.07
650-2103-0940.7480.2550.094
650-4877-0281.2490.7740.028
TitleOutside Dia.Inside Dia.MaterialThickness
380-71-0410.3760.186 316 Stainless Steel0.041
TitleOutside Dia. (min/max)Inside Dia. (min/max)Free Height (min/max)ThicknessMaterial
CB40-2750872.730/2.7501.375/1.3950.1730.087Spring Steel

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