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  • 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.
Type B Plain Washers
Unit of Measure
1 2 3 4 

Item #

Description

Nominal Washer Size

Standard Plate Size

Basic (A)

Basic (B)

Basic (C)

PWB0-.068 N/A Type B Plain Washer, 0.068" I.D N/A No. 0 N/A Narrow N/A 0.068 in N/A 0.125 in N/A 0.025 in
PWB0-.068X N/A Type B Plain Washer, 0.068" I.D N/A No. 0 N/A Regular N/A 0.068 in N/A 0.188 in N/A 0.025 in
PWB0-.068XX N/A Type B Plain Washer, 0.068" I.D N/A No. 0 N/A Wide N/A 0.068 in N/A 0.250 in N/A 0.025 in
PWB1-.084 N/A Type B Plain Washer, 0.084" I.D N/A No. 1 N/A Narrow N/A 0.084 in N/A 0.156 in N/A 0.025 in
PWB1-.084X N/A Type B Plain Washer, 0.084" I.D N/A No. 1 N/A Regular N/A 0.084 in N/A 0.219 in N/A 0.025 in
PWB1-.084XX N/A Type B Plain Washer, 0.084" I.D N/A No. 1 N/A Wide N/A 0.084 in N/A 0.281 in N/A 0.032 in
PWB2-.094 N/A Type B Plain Washer, 0.094" I.D N/A No. 2 N/A Narrow N/A 0.094 in N/A 0.188 in N/A 0.025 in
PWB2-.094X N/A Type B Plain Washer, 0.094" I.D N/A No. 2 N/A Regular N/A 0.094 in N/A 0.250 in N/A 0.032 in
PWB2-.094XX N/A Type B Plain Washer, 0.094" I.D N/A No. 2 N/A Wide N/A 0.094 in N/A 0.344 in N/A 0.032 in
PWB3-.109 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
PWB3-.109X 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
PWB3-.109XX 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
PWB4-.125 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
PWB4-.125X 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
PWB4-.125XX 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
PWB5-.141 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
PWB5-.141X 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
PWB5-.141XX 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
PWB5-.156 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
PWB5-.156X 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
PWB5-.156XX 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
PWB8-.188 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
PWB8-.188X 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
PWB8-.188XX 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
PWB10-.203 N/A Type B Plain Washer, 0.203" I.D N/A No. 10 N/A Narrow N/A 0.203 in N/A 0.406 in N/A 0.040 in
Unit of Measure
1 2 3 4