Item # PWA.812-.75N, Type A Plain Washer, 0.812" I.D. On Sales Systems Ltd.

Preferred sizes are for the most part from series previously designated "Standard Plate" and "SAE." Where common sizes existed in the two series, the SAE size is designated "N" (narrow) and the Standard Plate "W" (wide). These sizes as well as all other sizes of Type A Plain Washers are to be ordered by ID, OD and thickness dimensions.
Nominal washer sizes are intended for use with comparable nominal screw or bolt sizes.
The 0.734 in., 1.156 in. and 1.469 in. outside diameters avoid washers which

Unit of Measure

Manufacturer | Specifications | Codes and Standards

Industrial Fasteners Institute

Product	N/A Washers
Unit of Measure	N/A English
Nominal Washer Size	N/A 3/4 in
Nominal Washer Size (Decimal)	N/A 0.7500 in
Standard Plate Size	N/A Narrow
Basic Inside Diameter (A)	N/A 0.812 in
Tolerance for Inside Diameter (A)	N/A +0.030 in-0.007 in
Basic Outside Diameter (B)	N/A 1.469 in
Tolerance for Outside Diameter (B)	N/A +0.030 in-0.007 in
Basic Thickness (C)	N/A 0.134 in
Max. Thickness (C)	N/A 0.160 in
Min. Thickness (C)	N/A 0.108 in

ASME B18.22.1 1965 (R1998)

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