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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
Items Type B Plain Washers
PWB0-.068
Type B Plain Washer, 0.068" I.D
Type B Plain Washers
PWB0-.068X
Type B Plain Washer, 0.068" I.D
Type B Plain Washers
PWB0-.068XX
Type B Plain Washer, 0.068" I.D
Type B Plain Washers
PWB1-.084
Type B Plain Washer, 0.084" I.D
Type B Plain Washers
PWB1-.084X
Type B Plain Washer, 0.084" I.D
Manufacturer N/A Industrial Fasteners Institute
Product N/A Washers
Codes and Standards N/A ASME B18.22.1 1965 (R1998)
Unit of Measure N/A English
Nominal Washer Size N/A No. 0 N/A No. 0 N/A No. 0 N/A No. 1 N/A No. 1
Nominal Washer Size (Decimal) N/A 0.0600 in N/A 0.0600 in N/A 0.0600 in N/A 0.0730 in N/A 0.0730 in
Series N/A Narrow N/A Regular N/A Wide N/A Narrow N/A Regular
Basic Inside Diameter (A) N/A 0.068 in N/A 0.068 in N/A 0.068 in N/A 0.084 in N/A 0.084 in
Tolerance for Inside Diameter (A) N/A +0.000 in-0.005 in
Basic Outside Diameter (B) N/A 0.125 in N/A 0.188 in N/A 0.250 in N/A 0.156 in N/A 0.219 in
Tolerance for Outside Diameter (B) N/A +0.000 in-0.005 in
Basic Thickness (C) N/A 0.025 in
Max. Thickness (C) N/A 0.028 in
Min. Thickness (C) N/A 0.022 in