Midland Metal 20619N Internal Hex Straight Adapter, 3 mm Push-In x #5 MPT, Brass, Nickel-Plated

Internal Hex Straight Adapter, Connection Size 1: 3 mm, Connection Type 1: Push-In, Connection Size 2: #5, Connection Type 2: MPT, Brass, Nickel-Plated, M5 Thread, 0.31 in Hex, 0.31 in L, 0 to 290 psi, -4 to 176 deg F