National Stock Number
6620-00-766-3974
National Stock Number (NSN) 6620-00-766-3974, or NIIN 007663974, (indicator,ratio,engine pressure) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 32992. [AN INSTRUMENT DESIGNED TO REFLECT ONE OF THE TESTING PARAMETERS FOR CONDUCTING ENGINE PERFORMANCE AND FUNCTIONAL TESTING IN AN OPERATING ENGINE SYSTEM. ITS DIAL IS GRADUATED IN UNITS OF PRESSURE RATIO, AND IS USED TO INDICATE THE PERCENT OF DIFFERENTIAL PRESSURE RATIO OF EXHAUST GAS PRESSURE TO INTAKE (ENGINE INLET) PRESSURE FOR GAS TURBINE OR JET PROPULSION ENGINES.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6620007663974 does not contain precious metals.
This NSN is associated to Schedule B 9031808080: other measuring or checking instruments, appliances and machines, nesoi in chapter 90. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Jul 01, 2025.