51.2285 Tolerances for size.§ 51.2285 Tolerances for size.
(a) All percentages shall be calculated on the basis of weight.
(b) In order to allow for variations incident to proper sizing and handling, tolerances shall be permitted for the respective size classifications as indicated in Table III:
|Size classification||Tolerances for size|
|Smaller than three-fourths halves||Will not pass through 24/64 inch round hole||Pass through 24/64 inch round hole||Pass through 16/64 inch round hole||Pass through 8/64 inch round hole|
|Halves||5||1 (included in 5 percent)|
|Pieces and halves 1||18||3 (included in 18 percent)||1 (included in 2 percent).|
|Pieces||25||5 (included in 25 percent)||1 (included in 5 percent).|
|Small pieces 2||10||2.|
1 No part of any tolerance shall be used to reduce the percentage of halves required or specified in a lot of “pieces and halves”.
2 The tolerances of 10 percent and 2 percent for “small pieces” classification shall apply, respectively, to any smaller maximum or any larger minimum sizes specified.