Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TMWSS092 found under Lens Helmet Welders by Power Mfg Co Inc. The National Stock Number assigned to this part is 4240014933643, and the Federal Supply Class is 4240 Safety And Rescue Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TMWSS092.