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1020 Steel Aerospace Flat Washers - Request for Information


1020 Steel: is a plain carbon steel grade providing increased strength and ductility.  1020 steel retains integrity in basic structural applications while still being a low cost material.


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.  


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-KD2L AN960-KD2L 0REV 21 0.2500.0990.016
N402P13B N402P13B 00.7400.3960.056
N402P26 N402P26 03.7302.1050.219
N401P11E N401P11E 66000.4900.2710.056
N402P37B6 N402P37B6 00.4330.1510.036
N401P13 N401P13 2000.7400.3960.056
NAS1149D0832J NAS1149D0832J 5400REV 4 0.8750.5150.032
TitleOutside Dia.Inside Dia.Thickness
550-313-0621.1250.8120.062
650-1885-0600.5490.2380.06
650-3029-1031.50.3340.103
650-1780-0310.4390.2220.031
650-5194-2591.8131.0650.259
650-3852-0620.7190.4710.062
220-241-0400.390.1780.04

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