Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6-1128-9 (3 4GPM)1-1696-14 found under Thermometer Indicating Capillary by Mmc International Corp. The National Stock Number assigned to this part is 6685012670535, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6-1128-9 (3 4GPM)1-1696-14.