Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PW2 1138 P49370 found under Key by Itt Bell And Gosset Hydronics. The National Stock Number assigned to this part is 5315011222025, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PW2 1138 P49370.