Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS 1419 S1 1 ITEM 23 found under Ring Retaining by Bauer Nilsen A S. The National Stock Number assigned to this part is 5325251502497, 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 HS 1419 S1 1 ITEM 23.