Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 35-1B15LB found under Extinguisher Fire by Fyr Fyter Co Inc. The National Stock Number assigned to this part is 4210002027858, and the Federal Supply Class is 4210 Firefighting Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 35-1B15LB.