Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3N-193 PIECE 132 found under Catch Purfier by Alfa Laval Inc. The National Stock Number assigned to this part is 4930003320407, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3N-193 PIECE 132.