National Stock Number (NSN) 4220-01-218-6737, or NIIN 012186737, (valve,pneumatic inflator) was assigned October 17, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4220014060266, 4220012907896.
There are 4 manufacturer part numbers associated with this NSN. One 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE8E525P1222, SPE8E625P0028, SPE8E524P1274, SPE8E524P1067, SPE8E623P0244. The total value of the awarded contracts has been US$ 14,176.43.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 31,765. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 29, 2010, 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) 27515. [A VALVE DESIGNED TO CONTROL THE INFLATION OF LIFE PRESERVERS, LIFE RAFTS, WATERCRAFT AND THE LIKE. THE INLET END MAY BE DESIGNED FOR ORAL INFLATION, TO MATE WITH AN INFLATION ADAPTOR OR TO CONNECT TO A COMPRESSED GAS CYLINDER. THE OUTLET END MAY BE DESIGNED TO CONNECT THE VALVE TO A PNEUMATIC CHAMBER VALVE STEM OR TO MOUNT DIRECTLY TO THE PNEUMATIC CHAMBER.]. 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 4220012186737 does not contain precious metals.
This NSN is associated to Schedule B 8481200080: pneumatic valves, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 332912: fluid power valve and hose fitting manufacturing.
This information was last updated on Aug 01, 2025.