Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GL20 IT14 found under Seal Plain by Tts Marine Ab Formerly Tts Ships. The National Stock Number assigned to this part is 5330014290380, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GL20 IT14.