Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10181 GR1 REVB found under Detector Special by Peerless Nuclear Corp. The National Stock Number assigned to this part is 4470010166583, 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 10181 GR1 REVB.