National Stock Number
1660-00-382-9434
National Stock Number (NSN) 1660-00-382-9434, or NIIN 003829434, (mask,oxygen) was assigned March 21, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 1660015516133, 1660004356833, 1660000961081, 1660001584626.
There are 4 manufacturer part numbers associated with this NSN. 2 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 7 contracts issued for this part number, with 7 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A725P7708, SPE4A725P7708, SPE4A725P4283, SPE4A718PE672, SPE4A718PE672. The total value of the awarded contracts has been US$ 988,426.43.
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 Jun 02, 2018, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15751. [A DEVICE CONSISTING OF A FACEPIECE WHICH PARTIALLY COVERS THE FACE, HAVING A BREATHING TUBE AND A COUPLING FOR CONNECTING TO A REGULATED SUPPLY OF OXYGEN. THE DEVICE MAY BE OF THE REBREATHING TYPE OR OF THE DEMAND TYPE AND MAY BE USED FOR RESCUE OPERATION OR TO SUPPLY THE WEARER WITH OXYGEN WHEN FLYING AT HIGH ALTITUDES. IT MAY INCLUDE REGULATING DEVICE(S) BUT DOES NOT INCLUDE OXYGEN CYLINDER(S). EXCLUDES:MASK, ORONASAL.]. 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 1660003829434 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.