Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2 1 4-NSVP-570K found under Float Meter Flow Rate Indicating by Flowmetrics Inc. The National Stock Number assigned to this part is 6680011093908, 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 2 1 4-NSVP-570K.