National Stock Number
4220-00-920-3651
National Stock Number (NSN) 4220-00-920-3651, or NIIN 009203651, (inflation assembly) was assigned August 28, 1977 in the Federal Logistics Information System (FLIS). This NSN replaces 3 stock numbers: 4220004053529, 4220007560474, 4220005653276.
There are 15 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 35 contracts issued for this part number, with 35 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E924P0553, SPE8E924P0405, SPE8E924P0405, SPE8E923P1357, SPE8E923P1357. The total value of the awarded contracts has been US$ 7,737,589.32.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
There has been a moderate 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 Sep 29, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 77777. This item is a Flight Safety Critical Aircraft Part (FSCAP). Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 4220009203651 does not contain precious metals.
This information was last updated on Jul 01, 2025.