Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 050 And 000 And 001 found under Thermostat Flow Control by Philadelphia Scientific Controls Inc. The National Stock Number assigned to this part is 6685005737870, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 050 And 000 And 001.