Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 926-2151 PARTS KIT B2 found under Parts Kit Sterilizer Surgical Instrument by Environmental Technology Inc. The National Stock Number assigned to this part is 6545013483137, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 926-2151 PARTS KIT B2.