Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1051-16 found under Packing Rubber by Bureau Of Mines Helium Operations. The National Stock Number assigned to this part is 2895009634642, and the Federal Supply Class is 2895 Miscellaneous Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1051-16.