Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B34 ITEM NO. 8 found under Ring Retaining by Worcester Controls Corp. The National Stock Number assigned to this part is 5325013745921, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B34 ITEM NO. 8.