Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 205 075 135 21 found under Tube Battery Vent A by Ruag Aerospase Services Gmbh. The National Stock Number assigned to this part is 1680002493331, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 205 075 135 21.