Plastic sheet, delrin 500, acetal resin, nat color nc-10 per 821-0213-000; o/a dim: 1.000 in. L; 0.670 in. Min, 0.680 in. Max w; 0.277 in. Min, 0.288 in. Max thk; threaded hole in one end no 10-32unf-3b x 0.406 min deep; other end bottom slants 23 degrees porm 0.5 degrees to 0.418 in. From end