Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M 131992 PIECE 12A found under Circuit Breaker by Alfa Laval Inc. The National Stock Number assigned to this part is 5925222691766, and the Federal Supply Class is 5925 Circuit Breakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M 131992 PIECE 12A.