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4130 Steel Aircraft Belleville Washers - Request for Information


4130 Steel:  is a molybdenum and chromium low alloy steel with properties that allow for easy hardening through heat treatment.   4130 steel provides notable structural strength and moderate heat resistance.


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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TitlePart NumberQTY-OHDRAWINGOUTER DIAMINNER DIAMTHICK
AN960-B6L AN960-B6L 59000REV 21 0.3750.1490.016
MS27183-42 MS27183-42 51375REV J 0.5000.2190.036
N402P14B6 N402P14B6 52500.8650.4590.056
N401P9C11 N401P9C11 256000.4010.1980.036
MS51496-P87 MS51496-P87 900REV B 1.1000.7900.013
NAS1149DN532J NAS1149DN532J 41530REV 4 0.4380.1400.032
NAS1149C0416B NAS1149C0416B 3300REV 4 0.5000.2650.016
TitleOutside Dia.Inside Dia.Thickness
650-1810-0631.1270.2230.063
650-968-0300.3510.1730.03
650-402-0060.2980.1280.006
650-4692-0410.8640.6770.041
650-1756-0350.5620.2210.035
300-3081-0101.4951.1870.01
TitleOutside Dia.Inside Dia.ThicknessSizeMaterial
F3-250020NM0.250.1050.02#3Fibre

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