Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 501090 found under Eyelet Metallic by Gec Marconi. The National Stock Number assigned to this part is 5325990752886, 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 501090.