Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JA1S B2 AB 04 D A 05 102 found under Circuit Breaker by Eaton Corporation. The National Stock Number assigned to this part is 5925012846844, 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 JA1S B2 AB 04 D A 05 102.