Metal Two Piece Nut and Nipple for AIR (DISS 1160-A Outlet) Metal Two Piece Nut and Nipple for AIR (DISS 1160-A Outlet) Works on Regulators: M1A-346P, M1A-950P, M1-346PG, and M1-950PG Part Number: SP-134 Product Price $36.00 Quantity: