Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0251L1-1000 found under Resistor Variable Wire Wound Non by Alber Corp. The National Stock Number assigned to this part is 5905009543513, 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 0251L1-1000.