National Stock Number
1660-00-526-6771
National Stock Number (NSN) 1660-00-526-6771, or NIIN 005266771, (indicator,oxygen flow) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 6680005314574, 1660000276462, 6680005266772.
There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 5 years.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 07796. [AN INDICATOR WHICH VISUALLY SHOWS WHEN OXYGEN IS FLOWING THROUGH AN OXYGEN BREATHING SYSTEM.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 1660005266771 does not contain precious metals.
This NSN is associated to Schedule B 9026800000: instruments and apparatus for measuring or checking other variables of liquids or gases, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.
This information was last updated on Apr 01, 2025.