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3/8 in Type B plain washer, narrow series

3/8 in Type B plain washer, narrow series: ID 0.406 in (10.31 mm), OD 0.734 in (18.64 mm), thickness 0.063 in (1.60 mm), basic sizes; flat annulus, no tolerances

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

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Dimensions

screw size3/8
decimal size (in)0.375
seriesnarrow
ID (in)0.406
OD (in)0.734
thickness (in)0.063
ID (mm)10.31
OD (mm)18.64
thickness (mm)1.60
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From the full sheet

Plain washers, inch Type B (narrow, regular, wide): #0 to 3 in ID, OD, thickness + 12 washer files: every size, notes, mating features and sources. What are the dimensions of a Type B narrow, regular or wide flat washer, and what is the OD of a 3/8 wide washer?

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