Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL161774 NO 6 found under Housing Bearing Unit by Sun Star Electric Inc. The National Stock Number assigned to this part is 3130015003541, and the Federal Supply Class is 3130 Bearings Mounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL161774 NO 6.