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Flat Washers Military Standard (MS) 800 Series 18-8 Stainless Steel

Flat Washers Military Standard (MS) 800 Series 18-8 Stainless Steel

  • 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"
Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
#0-801 MS Flat Washers, ID .078, OD .187 18-8 SS
SKU #1000-200000-0001
#0-801 MS Flat Washers, ID .078, OD .187 18-8 SS
SKU #1000-200000-0001
1
 NA
25
 $2.50 (0.1/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
#2-802 MS Flat Washers, ID .093, OD .250, 18-8 SS
SKU #1000-200001-0001
#2-802 MS Flat Washers, ID .093, OD .250, 18-8 SS
SKU #1000-200001-0001
1
 NA
25
 $2.50 (0.1/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
#4-803 MS Flat Washers, ID .125, OD .250 18-8 SS
SKU #1000-200002-0001
#4-803 MS Flat Washers, ID .125, OD .250 18-8 SS
SKU #1000-200002-0001
1
 NA
25
 $2.50 (0.1/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
#4-804 MS Flat Washers, ID .125, OD .312 18-8 SS
SKU #1000-200003-0001
#4-804 MS Flat Washers, ID .125, OD .312 18-8 SS
SKU #1000-200003-0001
1
 NA
25
 $2.50 (0.1/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
#6-805 MS Flat Washers, ID .156, OD .312 18-8 SS
SKU #1000-200004-0001
#6-805 MS Flat Washers, ID .156, OD .312 18-8 SS
SKU #1000-200004-0001
1
 NA
25
 $2.50 (0.1/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
#6-806 MS Flat Washers, ID .156, OD .375 18-8 SS
SKU #1000-200005-0001
#6-806 MS Flat Washers, ID .156, OD .375 18-8 SS
SKU #1000-200005-0001
1
 NA
25
 $2.75 (0.11/ea)
100
 $7.00 (0.07/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
#8-807 MS Flat Washers, ID .187, OD .375 18-8 SS
SKU #1000-200006-0001
#8-807 MS Flat Washers, ID .187, OD .375 18-8 SS
SKU #1000-200006-0001
1
 NA
25
 $2.75 (0.11/ea)
100
 $7.00 (0.07/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
#8-841 MS Flat Washers, ID .188, OD .438 18-8 SS
SKU #1000-200007-0001
#8-841 MS Flat Washers, ID .188, OD .438 18-8 SS
SKU #1000-200007-0001
1
 NA
25
 $3.25 (0.13/ea)
100
 $8.00 (0.08/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
#10-808 MS Flat Washers, ID .218, OD .43 18-8 SS
SKU #1000-200008-0001
#10-808 MS Flat Washers, ID .218, OD .43 18-8 SS
SKU #1000-200008-0001
1
 NA
25
 $2.75 (0.11/ea)
100
 $7.00 (0.07/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
#10-809 MS Flat Washers, ID .250, OD .562 18-8 SS
SKU #1000-200009-0001
#10-809 MS Flat Washers, ID .250, OD .562 18-8 SS
SKU #1000-200009-0001
1
 NA
25
 $3.75 (0.15/ea)
100
 $9.00 (0.09/ea)
1000
 $70.00 (0.07/ea)
Subtotal: $0.00 /
#10-842 MS Flat Washers, ID .219, OD .500 18-8 SS
SKU #1000-200010-0001
#10-842 MS Flat Washers, ID .219, OD .500 18-8 SS
SKU #1000-200010-0001
1
 NA
25
 $3.25 (0.13/ea)
100
 $8.00 (0.08/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
1/4"-810-SAE MS Flat Washers, ID .281, OD .625 18-8 SS
SKU #1000-200011-0001
1/4"-810-SAE MS Flat Washers, ID .281, OD .625 18-8 SS
SKU #1000-200011-0001
1
 NA
25
 $1.50 (0.06/ea)
100
 $6.00 (0.06/ea)
1000
 $50.00 (0.05/ea)
Subtotal: $0.00 /
1/4"-811 MS Flat Washers, ID .312, OD .750 18-8 SS
SKU #1000-200012-0001
1/4"-811 MS Flat Washers, ID .312, OD .750 18-8 SS
SKU #1000-200012-0001
1
 NA
25
 $4.25 (0.17/ea)
100
 $11.00 (0.11/ea)
1000
 $100.00 (0.1/ea)
Subtotal: $0.00 /
5/16"-812-SAE MS Flat Washers, ID .343, OD .687 18-8 SS
SKU #1000-200013-0001
5/16"-812-SAE MS Flat Washers, ID .343, OD .687 18-8 SS
SKU #1000-200013-0001
1
 NA
25
 $3.75 (0.15/ea)
100
 $9.00 (0.09/ea)
1000
 $70.00 (0.07/ea)
Subtotal: $0.00 /
5/16"-813 MS Flat Washers, ID .375, OD .875 18-8 SS
SKU #1000-200014-0001
5/16"-813 MS Flat Washers, ID .375, OD .875 18-8 SS
SKU #1000-200014-0001
1
 NA
25
 $5.50 (0.22/ea)
100
 $16.00 (0.16/ea)
1000
 $140.00 (0.14/ea)
Subtotal: $0.00 /
3/8"-814-SAE MS Flat Washers, ID .406, OD .812 18-8 SS
SKU #1000-200015-0001
3/8"-814-SAE MS Flat Washers, ID .406, OD .812 18-8 SS
SKU #1000-200015-0001
1
 NA
25
 $4.75 (0.19/ea)
100
 $13.00 (0.13/ea)
1000
 $110.00 (0.11/ea)
Subtotal: $0.00 /
3/8"-815 MS Flat Washers, ID .437, OD 1.000 18-8 SS
SKU #1000-200016-0001
3/8"-815 MS Flat Washers, ID .437, OD 1.000 18-8 SS
SKU #1000-200016-0001
1
 NA
25
 $7.00 (0.28/ea)
100
 $22.00 (0.22/ea)
1000
 $200.00 (0.2/ea)
Subtotal: $0.00 /
7/16"-816 MS Flat Washers, ID .468, OD .921 18-8 SS
SKU #1000-200017-0001
7/16"-816 MS Flat Washers, ID .468, OD .921 18-8 SS
SKU #1000-200017-0001
1
 NA
25
 $5.50 (0.22/ea)
100
 $16.00 (0.16/ea)
1000
 $140.00 (0.14/ea)
Subtotal: $0.00 /
7/16"-817 MS Flat Washers, ID .500, OD 1.250 18-8 SS
SKU #1000-200018-0001
7/16"-817 MS Flat Washers, ID .500, OD 1.250 18-8 SS
SKU #1000-200018-0001
1
 NA
25
 $11.75 (0.47/ea)
100
 $39.00 (0.39/ea)
1000
 $360.00 (0.36/ea)
Subtotal: $0.00 /
1/2"-818-SAE MS Flat Washers, ID .531, OD 1.062 18-8 SS
SKU #1000-200019-0001
1/2"-818-SAE MS Flat Washers, ID .531, OD 1.062 18-8 SS
SKU #1000-200019-0001
1
 NA
25
 $9.75 (0.39/ea)
100
 $31.00 (0.31/ea)
1000
 $300.00 (0.3/ea)
Subtotal: $0.00 /
1/2"-819 MS Flat Washers, ID .562, OD 1.062 18-8 SS
SKU #1000-200020-0001
1/2"-819 MS Flat Washers, ID .562, OD 1.062 18-8 SS
SKU #1000-200020-0001
1
 NA
25
 $14.50 (0.58/ea)
100
 $48.00 (0.48/ea)
1000
 $450.00 (0.45/ea)
Subtotal: $0.00 /
5/8"-820-SAE MS Flat Washers, ID .656, OD 1.312 18-8 SS
SKU #1000-200021-0001
5/8"-820-SAE MS Flat Washers, ID .656, OD 1.312 18-8 SS
SKU #1000-200021-0001
1
 NA
25
 $9.00 (0.36/ea)
100
 $33.00 (0.33/ea)
1000
 $310.00 (0.31/ea)
Subtotal: $0.00 /
5/8"-821 MS Flat Washers, ID .687, OD 1.750 18-8 SS
SKU #1000-200022-0001
5/8"-821 MS Flat Washers, ID .687, OD 1.750 18-8 SS
SKU #1000-200022-0001
1
 $1.03 (1.03/ea)
25
 $24.75 (0.99/ea)
100
 $95.00 (0.95/ea)
1000
 $930.00 (0.93/ea)
Subtotal: $0.00 /
3/4"-822-SAE MS Flat Washers, ID .812, OD 1.50 18-8 SS
SKU #1000-200023-0001
3/4"-822-SAE MS Flat Washers, ID .812, OD 1.50 18-8 SS
SKU #1000-200023-0001
1
 $0.73 (0.73/ea)
25
 $16.75 (0.67/ea)
100
 $60.00 (0.6/ea)
1000
 $590.00 (0.59/ea)
Subtotal: $0.00 /
3/4"-823 MS Flat Washers, ID .812, OD 2.00 18-8 SS
SKU #1000-200024-0001
3/4"-823 MS Flat Washers, ID .812, OD 2.00 18-8 SS
SKU #1000-200024-0001
1
 $1.53 (1.53/ea)
25
 $37.00 (1.48/ea)
100
 $143.00 (1.43/ea)
1000
 $1,400.00 (1.4/ea)
Subtotal: $0.00 /
7/8"-824 MS Flat Washers, ID .937, OD 1.75 18-8 SS
SKU #1000-200025-0001
7/8"-824 MS Flat Washers, ID .937, OD 1.75 18-8 SS
SKU #1000-200025-0001
1
 $0.89 (0.89/ea)
25
 $21.50 (0.86/ea)
100
 $83.00 (0.83/ea)
1000
 $810.00 (0.81/ea)
Subtotal: $0.00 /
7/8"-825 MS Flat Washers, ID .937, OD 2.25 18-8 SS
SKU #1000-200026-0001
7/8"-825 MS Flat Washers, ID .937, OD 2.25 18-8 SS
SKU #1000-200026-0001
1
 $2.40 (2.4/ea)
25
 $58.00 (2.32/ea)
100
 $223.00 (2.23/ea)
1000
 $2,190.00 (2.19/ea)
Subtotal: $0.00 /
1"-826 MS Flat Washers, ID 1.062, OD 2.00 18-8 SS
SKU #1000-200027-0001
1"-826 MS Flat Washers, ID 1.062, OD 2.00 18-8 SS
SKU #1000-200027-0001
1
 $1.60 (1.6/ea)
25
 $38.00 (1.52/ea)
100
 $145.00 (1.45/ea)
1000
 $1,440.00 (1.44/ea)
Subtotal: $0.00 /
1"-827 MS Flat Washers, ID 1.062, OD 2.50 18-8 SS
SKU #1000-200028-0001
1"-827 MS Flat Washers, ID 1.062, OD 2.50 18-8 SS
SKU #1000-200028-0001
1
 $2.86 (2.86/ea)
25
 $69.00 (2.76/ea)
100
 $262.00 (2.62/ea)
1000
 $2,610.00 (2.61/ea)
Subtotal: $0.00 /
Product Specifications
Corrosion Resistant
Yes
Grade
18-8
Material
Stainless Steel
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

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