National Stock Number (NSN) 1650-01-478-1503, or NIIN 014781503, (valve,fluid pressure regulating,) was assigned August 31, 2000 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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, with the most recent procurement date of Jan 25, 2018. There have been 12 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A118P0661, SPE4A118P0661, SPE4A714MC428, SPE4A714MC428, SPE4A714MA015. The total value of the awarded contracts has been US$ 86,444.04.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of 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 Nov 18, 2020, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 51190. [A VALVE SPECIFICALLY DESIGNED FOR AIRCRAFT USE DESIGNED TO AUTOMATICALLY MAINTAIN WITHIN CLOSE LIMITS A PREDETERMINED OUTLET PRESSURE WHICH MAY BE ADJUSTABLE WITHIN A SPECIFIED RANGE REGARDLESS OF THE HIGHER FLUCTUATING OR CONSTANT INLET PRESSURE. IT IS DESIGNED FOR USE WITH COMPRESSED GAS(ES) AND VARIOUS LIQUIDS AND MAY INCLUDE GAUGES. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE, REGULATING, FLUID PRESSURE.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1650014781503 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 May 01, 2025.