18-8 Stainless Steel Military Standard Flat Washers

18-8 Stainless Steel Military Standard Flat Washers


  • #0-801 stainless steel ms flat washer
  • Flat washers are used to distribute pressure from a fastener and nut across the surface of a material
  • Act as a smooth flat surface for a nut or fastener to secure to
  • 18-8 stainless steel ms flat washers are corrosion resistant
  • 800 Series
  • Extensive inspection and lot trackability
  • Guaranteed quality for chemical, physical and dimensional aspects
  • Meets Military Standards

Military Flat Washer Specifications

Washer Size Inner Diameter (ID) Outer Diameter (OD) Thickness
#0-801 Max 0.078" - Min 0.075" Max 0.187" - Min 0.185" Max 0.025" - Min 0.016"
#2-802 Max 0.093" - Min 0.090" Max 0.250" - Min 0.200" Max 0.025" - Min 0.016"
#4-803 Max 0.125" - Min 0.115" Max 0.250" - Min 0.230" Max 0.028" - Min 0.027"
#4-804 Max 0.125" - Min 0.115" Max 0.312" - Min 0.302" Max 0.040" - Min 0.025"
#6-805 Max 0.156" - Min 0.150" Max 0.312" - Min 0.302" Max 0.048" - Min 0.027"
#6-806 Max 0.156" - Min 0.150" Max 0.375" - Min 0.365" Max 0.065" - Min 0.036"
#8-807 Max 0.187" - Min 0.177" Max 0.375" - Min 0.365" Max 0.065" - Min 0.036"
#8-841 Max 0.188" - Min 0.178" Max 0.438" - Min 0.428" Max 0.065" - Min 0.036"
#10-808 Max 0.218" - Min 0.208" Max 0.437" - Min 0.427" Max 0.065" - Min 0.036"
#10-809 Max 0.250" - Min 0.240" Max 0.562" - Min 0.556" Max 0.080" - Min 0.051"
#10-842 Max 0.219" - Min 0.209" Max 0.500" - Min 0.495" Max 0.065" - Min 0.036"
1/4"-810 Max 0.281" - Min 0.271" Max 0.625" - Min 0.615" Max 0.080" - Min 0.051"
1/4"-811 Max 0.312" - Min 0.302" Max 0.750" - Min 0.730" Max 0.080" - Min 0.051"
5/16"-812 Max 0.343" - Min 0.333" Max 0.687" - Min 0.677" Max 0.080" - Min 0.051"
5/16"-813 Max 0.375" - Min 0.365" Max 0.875" - Min 0.865" Max 0.104" - Min 0.064"
3/8"-814 Max 0.406" - Min 0.396" Max 0.812" - Min 0.802" Max 0.080" - Min 0.051"
3/8"-815 Max 0.437" - Min 0.417" Max 1.000" - Min 0.950" Max 0.104" - Min 0.064"
7/16"-816 Max 0.468" - Min 0.448" Max 0.921" - Min 0.901" Max 0.080" - Min 0.051"
7/16"-817 Max 0.500" - Min 0.495" Max 1.250" - Min 1.150" Max 0.104" - Min 0.064"
1/2"-818 Max 0.531" - Min 0.521" Max 1.062" - Min 1.000" Max 0.121" - Min 0.074"
1/2"-819 Max 0.562" - Min 0.552" Max 1.375" - Min 1.325" Max 0.132" - Min 0.086"
5/8"-820 Max 0.656" - Min 0.636" Max 1.312" - Min 1.302" Max 0.121" - Min 0.074"
5/8"-821 Max 0.687" - Min 0.677" Max 1.750" - Min 1.650" Max 0.160" - Min 0.108"
3/4"-822 Max 0.812" - Min 0.799" Max 1.500" - Min 1.450" Max 0.160" - Min 0.108"
3/4"-823 Max 0.812" - Min 0.799" Max 2.000" - Min 1.900" Max 0.177" - Min 0.122"
7/8"-824 Max 0.937" - Min 0.907" Max 1.750" - Min 1.650" Max 0.160" - Min 0.108"
7/8"-825 Max 0.937" - Min 0.907" Max 2.250" - Min 2.150" Max 0.192" - Min 0.136"
1"-826 Max 1.062" - Min 1.000" Max 2.000" - Min 1.900" Max 0.160" - Min 0.108"
1"-827 Max 1.062" - Min 1.000" Max 2.500" - Min 2.400" Max 0.192" - Min 0.136"
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