Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PMI-TMWSS031 found under Elbow Tube by Power Mfg Co Inc. The National Stock Number assigned to this part is 4730015077807, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PMI-TMWSS031.