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Aluminum Aircraft Flat Washers - Request for Information


Aluminum: is a metal with composition properties that include durability, malleability and a notable weight to strength ration.  Aluminum is one of the most widely used manufacturing materials as a result of its easy machinability and resistance to corrosion. 


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.  


Flat Washers:  primarily used with other hardware, such as nuts and bolts to distribute forces in the process of tightening.  Tightness is determined by pattern features such as nominal screw sizes, screw pitch thread, interior and exterior diameter ratios and height. 


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
MS15795-402 MS15795-402 1500NASM15795 REV 1 0.2500.0940.016
NAS1515-H5L NAS1515-H5L 12200REV 4 0.5620.3280.031
AN970-7 AN970-7 2820NASM970 REV 1 1.8120.4530.109
N402P9B6 N402P9B6 00.4010.1980.036
AN960-716L REV21 AN960-716L REV21 11650REV 21 0.7500.4530.032
AN960-C1216 AN960-C1216 11723REV 21 1.3120.7650.090
N400P74 N400P74 4001.4900.4590.090
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
290-110-0200.6250.1930.02Special Flat Washers - CelconCelcon
TitleOutside Dia.Inside Dia.Thickness
650-1254-0470.3170.1920.047
650-1815-0690.4990.2240.069
650-2013-0601.1260.2530.06
650-4346-0850.9360.5650.085
300-525-0360.5340.1570.036
TitleSizeOutside Dia. (min/max)Inside Dia. (min/max)ThicknessFree Height (min/max)Material
AT5-3750105.365/.385.127/.1350.01.070/.090Stainless Steel

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