Solid state pocket gas detector n338, # 721146 teflon thread sealing tape b415, q-130, # 851109 "gripp" heavt duty thread sealer 1/2 pint b313, # 851101 ptfe heavy duty thread sealer 1/4 pint b768, # 851136replaces the following manufacturers products oem numbers are used for reference only, see policies for more details. oem names oem # dormont 1675kit60