Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1045-27 found under Cone by Bureau Of Mines Helium Operations. The National Stock Number assigned to this part is 3439009698101, and the Federal Supply Class is 3439 Miscellaneous Welding Soldering And Brazing Supplies And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1045-27.