Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BSL-240M0143A006REVA found under Resistor Variable W by British Sarozal Ltd. The National Stock Number assigned to this part is 5905009572911, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BSL-240M0143A006REVA.