3/16/2018 Request for reconsideration of NY N077237; classification of ductile iron bolt rings and stainless steel bolt rings References: 561710, 559871, 965939, 965584, 966728, K86336, 967490, N077237, H282297, N270588, N097562, N118077 2/2/2021 Modification of HQ H276962; classification of ductile iron bolt rings and stainless steel bolt rings References: 561710, 559871, 965939, 965584, 966728, K86336, 967490, H276962, N077237, H282297, N270588, N097562, N118077, H303868