Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EMS-LS-DSM157 SM787 found under Tool Kit Guided Missile Launcher by Snap On Tools Corp. The National Stock Number assigned to this part is 5180014399224, and the Federal Supply Class is 5180 Sets Kits And Outfits Of Hand Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EMS-LS-DSM157 SM787.