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4130 Steel Military 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.


Military: deals with the development and manufacturing of products and devices used in various defense applications.  Military standards are most often defined by an efficient operation and substantial longevity in inhospitable or rugged conditions and environments.  


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-PD516L AN960-PD516L 7700REV 21 0.5620.3280.016
NAS1587-5L NAS1587-5L 0REV 4 STAMPED W/PN 0.5930.3150.032
N402P41B N402P41B 491550.7400.2710.056
NAS1149D0716J NAS1149D0716J 18500REV 4 0.7500.4530.016
N400P63 N400P63 293000.3390.0890.028
MS20002-C9 MS20002-C9 3300NASM20002 REV 2 0.9680.5730.078
NAS1149D0963H NAS1149D0963H 3703REV 4 1.0620.5780.063
TitleOutside Dia.Inside Dia.MaterialThickness
380-193-0630.8750.466 316 Stainless Steel0.063
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
560-571-0150.6880.3790.015Special Flat Washers - BrassBrass
560-75-0200.1590.0790.02Special Flat Washers - BrassBrass
TitleOutside Dia.Inside Dia.Thickness
300-2949-0051.1840.9470.005
300-1424-0310.3520.2690.031
300-1123-0470.6240.2340.047
TitleSizeOutside Dia. (min/max)Inside Dia. (min/max)ThicknessFree Height (min/max)Material
AT8-3220078.317/.327.169/.1790.008.035/.050Stainless Steel

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