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4130 Steel Commercial Flat 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.


Commercial:  refers to those industries developing and manufacturing products for consumer use.  While the industrial term is broad, commercial components must comply with all product and application criteria to provide functionality, and in many cases, a cosmetically and commercially appealing quality.


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
AN960-D1716L AN960-D1716L 1000REV 21 1.8121.0780.016
N401P9C11 N401P9C11 256000.4010.1980.036
N402P11B N402P11B 00.4900.2710.056
N402P40C6 N402P40C6 167000.6200.2290.056
AN960-D8 AN960-D8 83770REV 21 0.3750.1740.032
NAS1149DN316K NAS1149DN316K 0REV 4 0.2500.1050.016
AN960-C916L AN960-C916L 7480REV 21 1.0620.5780.032
TitleOutside Dia.Inside Dia.ThicknessItem NameMaterial
560-539-0410.4960.3450.041Special Flat Washers - BrassBrass
TitleOutside Dia.Inside Dia.Thickness
220-311-0620.640.230.062
300-2435-1951.2470.5650.195
300-566-0330.560.1610.033
300-2020-0891.2470.4080.089
650-5275-0442.2491.2080.044
TitleOutside Dia.Inside Dia.ThicknessMaterial
475-294-0640.6250.2670.064Aluminum

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