Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R-16881 PC N0 37 found under Housing Bearing Unit by New England Trawler Equipment Co. The National Stock Number assigned to this part is 3130013559247, 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 R-16881 PC N0 37.