National Stock Number
1660-00-977-4182
National Stock Number (NSN) 1660-00-977-4182, or NIIN 009774182, (regulator,air pressure,aircraft) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1660007741332.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 03, 1998, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660009774182 does not contain precious metals.
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.