National Stock Number
4220-01-659-3952
National Stock Number (NSN) 4220-01-659-3952, or NIIN 016593952, (adapter,compressed gas cylinder) was assigned November 22, 2016 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 2 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 21, 2019. There have been 9 contracts issued for this part number, with 9 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8EZ19V0241, SPE8EZ19V0222, SPE8EZ18V0820, SPE8EZ18V0609, SPE8EZ18V0548. The total value of the awarded contracts has been US$ 30,199.75.
This NSN is somewhat common among different platforms, belonging to 3 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 Apr 18, 2019, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21309. [AN ADAPTER DESIGNED TO CONNECT A COMPRESSED GAS CYLINDER VALVE OUTLET TO A REGULATOR, CHARGING CONNECTION, OR OTHER MATING PART HAVING A DIFFERENT CONNECTION FOR THE SAME GAS.]. 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 4220016593952 does not contain precious metals.
This information was last updated on May 01, 2025.