Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5100-380 found under Wye Connection Fire Hose Valved by Forest Service Specifications Pr. The National Stock Number assigned to this part is 4210001265108, 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 5100-380.