National Stock Number
1660-00-605-7844
National Stock Number (NSN) 1660-00-605-7844, or NIIN 006057844, (regulator,oxygen,demand) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those 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, 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 11 contracts issued for this part number, with 11 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A724F5697, SPE4A724F5697, SPE4A723F8299, SPE4A723P7850, SPE4A723P7850. The total value of the awarded contracts has been US$ 506,561.39.
This NSN is somewhat common among different platforms, belonging to 2 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 Aug 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 07798. [A REGULATOR DESIGNED TO DELIVER PURE BREATHING OXYGEN AUTOMATICALLY WHEN THE USER INHALES, WITHIN A MAXIMUM OPERATING ALTITUDE OF 35,000 FEET (10,668 M).]. This item is a Flight Safety Critical Aircraft Part (FSCAP). Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 1660006057844 does not contain precious metals.
This information was last updated on Jul 01, 2025.