Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HLI-287-6 found under Transducer Motional Pickup by Datasonics Inc. The National Stock Number assigned to this part is 6695013359187, 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 HLI-287-6.