EXTSW .383” ID x .990" OD x 1/4” thick Stepped 1/2 x 1/8" 304 Stainless Washer

EXTSW  3/8” ID x (1" .990") OD x 1/4” thick Stepped 1/2 x 1/8" 304 Stainless Washer

Actual size .383” ID x .990” OD x .250” thick

Stepped .500 x .125"

(+/- .003" on all dimensions) 

.030 inch Radius OD / slightly countersunk ID (no sharp edges)

 Made in USA. 304 Stainless has the very GOOD corrosion resistance.