National Stock Number (NSN) 4820-01-509-2324, or NIIN 015092324, (valve,regulating,oxygen system p) was assigned June 17, 2003 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 Feb 04, 2016. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MC16V3368, SPM7MC13M3066, SPM7M512V5280, SPM7M512V5280. The total value of the awarded contracts has been US$ 12,447.74.
This NSN is unique to one weapons system.
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 Nov 22, 2012, 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 or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37940. [A VALVE USED TO AUTOMATICALLY MAINTAIN WITHIN CLOSE LIMITS A PREDETERMINED PRESSURE WITHIN AN OXYGEN SYSTEM REGARDLESS OF THE HIGHER FLUCTUATING OR CONSTANT INLET PRESSURE. THE EXCESS PRESSURE IS BYPASSED TO THE ACCUMULATOR OR RESERVOIR IN LIEU OF PASSING THROUGH THE ENTIRE SYSTEM. IT IS SPECIFICALLY DESIGNED AND/OR CLEANED FOR OXYGEN SYSTEMS. EXCLUDES:VALVE, REGULATING, SYSTEM PRESSURE; VALVE REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.]. 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 4820015092324 does not contain precious metals.
This NSN is associated to Schedule B 8481809015: regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jun 01, 2025.