National Stock Number
4240-01-392-1504
National Stock Number (NSN) 4240-01-392-1504, or NIIN 013921504, (mask,oxygen) was assigned June 24, 1994 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little 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 Dec 10, 2013, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 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 does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4240013921504 does not contain precious metals.
This information was last updated on Jul 01, 2025.