Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B30D0038-115 found under Circuit Breaker by Mcdonnell Douglas. The National Stock Number assigned to this part is 5925011191101, 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 B30D0038-115.