Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP50S SB 3193 1K 1K found under Resistor Variable Nonwire Wound by Eti Systems Inc. The National Stock Number assigned to this part is 5905015811045, 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 SP50S SB 3193 1K 1K.