National Stock Number (NSN) 2540-01-504-6188, or NIIN 015046188, (duct assembly,air conditioning-h) was assigned February 4, 2003 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. One 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 04, 2017. There have been 6 contracts issued for this part number, with 15 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L118V1315, SPE7L014V3288, SPM7LX12D9017, SPM7LX12D9017, SPM7LX12D9017. The total value of the awarded contracts has been US$ 55,828.94.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 5,601. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 06, 2011, 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) 50943. [A HOLLOW BODY USED TO TRANSPORT AIR FOR THE PURPOSE OF HEATING, COOLING, DEFOGGING AND THE LIKE TO VARIOUS PARTS OF A VEHICLE. IT MAY INCLUDE FLANGE(S), BRACKETS, AND THE LIKE FOR MOUNTING PURPOSES.]. 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 2540015046188 does not contain precious metals.
This NSN is associated to Schedule B 8708998175: parts and accessories, for motor vehicles of headings 8701 to 8705, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles.
This information was last updated on Jul 01, 2025.