Product Information Thread: NPT Select a Product Part NumberMaterialHose IDHose OD FromHose OD To 12P2Plated Carbon Steel3/4" (20mm)1-14/64" (31mm)1-18/64" (32mm) 12P1Plated Carbon Steel3/4" (20mm)1-10/64" (29mm)1-14/64" (31mm) 12P3Plated Carbon Steel3/4" (20mm)1-18/64" (32mm)1-22/64" (37mm) 8P3Plated Carbon Steel1/2" (15mm)62/64" (25mm)1-2/64" (30mm) 6P2Plated Carbon Steel3/8" (10mm)50/64" (20mm)54/64" (21mm) 6P1Plated Carbon Steel3/8" (10mm)46/64" (18mm)50/64" (20mm) 6P3Plated Carbon Steel3/8" (10mm)54/64" (21mm)58/64" (23mm) 8P2Plated Carbon Steel1/2" (15mm)58/64" (23mm)62/64" (25mm) 8P1Plated Carbon Steel1/2" (15mm)54/64" (21mm)58/64" (23mm) R12P2Stainless/Carbon Steel1-18/64" R8P2SSStainless Steel62/64" R16P1Stainless/Carbon Steel1-34/64" R16P1620Stainless Steel1-38/64" R12P1Stainless/Carbon Steel1-14/64" R16P3Stainless/Carbon Steel1-42/64" R12P3Stainless/Carbon Steel1-22/64" R16P4Stainless/Carbon Steel1-46/64" R16P1770Stainless Steel1-46/64" R16P2Stainless/Carbon Steel1-38/64" 4P3Plated Carbon Steel1/4" (6mm)42/64" (17mm)46/64" (18mm) 4P1Plated Carbon Steel1/4" (6mm)34/64" (13mm)38/64" (15mm) R12P1250Stainless Steel1-12/64" 16P2Plated Carbon Steel1" (25mm)1-34/64" (39mm)1-38/64" (40mm) 16P1Plated Carbon Steel1" (25mm)1-30/64" (37mm)1-34/64" (39mm) 4P2Plated Carbon Steel1/4" (6mm)38/64" (15mm)42/64" (17mm) R12P1370Stainless Steel1-22/64" 16P4Plated Carbon Steel1" (25mm)1-42/64" (42mm)1-46/64" (44mm) 16P3Plated Carbon Steel1" (25mm)1-38/64" (40mm)1-42/64" (42mm)