National Stock Number
1660-00-397-5054
National Stock Number (NSN) 1660-00-397-5054, or NIIN 003975054, (regulator,air pressure,aircraft) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
This NSN is assigned to Item Name Code (INC) 61424. [A REGULATOR PROVIDING CONTROLLED PRESSURIZATION OF AN AIRCRAFT CABIN AND/OR COMPARTMENTS BY REGULATING DISCHARGE AIR. CONSISTS OF A PRESET AUTOMATIC PRESSURE CONTROLLER AND A VALVE WHICH DISCHARGES AIR TO THE ATMOSPHERE. MAY CONTAIN AN ELECTRIC MOTOR DRIVEN FAN. SEE CONTROLLER, AIR PRESSURE, AIRCRAFT CABIN.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660003975054 contains an unknown precious metal.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.