Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R17889 found under Repair Kit Diving Equipment by Draeger Safety Inc. The National Stock Number assigned to this part is 4220011707148, and the Federal Supply Class is 4220 Marine Lifesaving And Diving Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R17889.