• Nominal washer sizes are intended for use with comparable nominal screw or bolt sizes.
  • Inside and outside diameters shall be concentric within at least the inside diameter tolerance.
  • The 0.734" and 1.469" outside diameters avoid washers which could be used in coin operated devices.
  • Washers shall be flat within 0.005" for basic outside diameters up to and including 0.875" and within 0.010" for larger outside diameters.
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Item #

Description

Nominal Washer Size

Standard Plate Size

Basic (A)

Basic (B)

Basic (C)

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N/A Type B Plain Washer, 0.188" I.D N/A No. 8 N/A Wide N/A 0.188 in N/A 0.625 in N/A 0.063 in
N/A Type B Plain Washer, 0.188" I.D N/A No. 8 N/A Regular N/A 0.188 in N/A 0.500 in N/A 0.040 in
N/A Type B Plain Washer, 0.188" I.D N/A No. 8 N/A Narrow N/A 0.188 in N/A 0.375 in N/A 0.040 in
N/A Type B Plain Washer, 0.156" I.D N/A No. 6 N/A Wide N/A 0.156 in N/A 0.562 in N/A 0.040 in
N/A Type B Plain Washer, 0.156" I.D N/A No. 6 N/A Regular N/A 0.156 in N/A 0.438 in N/A 0.040 in
N/A Type B Plain Washer, 0.156" I.D N/A No. 6 N/A Narrow N/A 0.156 in N/A 0.312 in N/A 0.032 in
N/A Type B Plain Washer, 0.141" I.D N/A No. 5 N/A Wide N/A 0.141 in N/A 0.500 in N/A 0.040 in
N/A Type B Plain Washer, 0.141" I.D N/A No. 5 N/A Regular N/A 0.141 in N/A 0.406 in N/A 0.040 in
N/A Type B Plain Washer, 0.141" I.D N/A No. 5 N/A Narrow N/A 0.141 in N/A 0.281 in N/A 0.032 in
N/A Type B Plain Washer, 0.125" I.D N/A No. 4 N/A Wide N/A 0.125 in N/A 0.438 in N/A 0.040 in
N/A Type B Plain Washer, 0.125" I.D N/A No. 4 N/A Regular N/A 0.125 in N/A 0.375 in N/A 0.040 in
N/A Type B Plain Washer, 0.125" I.D N/A No. 4 N/A Narrow N/A 0.125 in N/A 0.250 in N/A 0.032 in
N/A Type B Plain Washer, 3.125" I.D N/A 3 in N/A Wide N/A 3.125 in N/A 7.000 in N/A 0.375 in
N/A Type B Plain Washer, 3.125" I.D N/A 3 in N/A Regular N/A 3.125 in N/A 6.500 in N/A 0.375 in
N/A Type B Plain Washer, 3.125" I.D N/A 3 in N/A Narrow N/A 3.125 in N/A 5.500 in N/A 0.375 in
N/A Type B Plain Washer, 0.109" I.D N/A No. 3 N/A Wide N/A 0.109 in N/A 0.406 in N/A 0.040 in
N/A Type B Plain Washer, 0.109" I.D N/A No. 3 N/A Regular N/A 0.109 in N/A 0.312 in N/A 0.032 in
N/A Type B Plain Washer, 0.109" I.D N/A No. 3 N/A Narrow N/A 0.109 in N/A 0.219 in N/A 0.025 in
N/A Type B Plain Washer, 2.125" I.D N/A 2 in N/A Wide N/A 2.125 in N/A 5.000 in N/A 0.250 in
N/A Type B Plain Washer, 2.125" I.D N/A 2 in N/A Regular N/A 2.125 in N/A 4.500 in N/A 0.250 in
N/A Type B Plain Washer, 2.125" I.D N/A 2 in N/A Narrow N/A 2.125 in N/A 3.750 in N/A 0.250 in
N/A Type B Plain Washer, 2.875" I.D N/A 2-3/4 in N/A Wide N/A 2.875 in N/A 6.500 in N/A 0.375 in
N/A Type B Plain Washer, 2.875" I.D N/A 2-3/4 in N/A Regular N/A 2.875 in N/A 6.000 in N/A 0.375 in
N/A Type B Plain Washer, 2.875" I.D N/A 2-3/4 in N/A Narrow N/A 2.875 in N/A 5.000 in N/A 0.250 in
N/A Type B Plain Washer, 2.625" I.D N/A 2-1/2 in N/A Wide N/A 2.625 in N/A 6.000 in N/A 0.375 in
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