Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MANUAL 81-0079B ITEM 15 SHT 6 found under Valve Ball by Branick Industries Inc. The National Stock Number assigned to this part is 4820015858332, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MANUAL 81-0079B ITEM 15 SHT 6.