Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TM3127APCTM3127A found under Guide Steam And E H by Banner Industries Inc. The National Stock Number assigned to this part is 2820003881162, and the Federal Supply Class is 2820 Steam Engines Reciprocating And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TM3127APCTM3127A.