Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PB 14937 1 found under Spacer by Carleton Technologies Inc. The National Stock Number assigned to this part is 5365000674819, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PB 14937 1.