National Stock Number
2540-01-697-9438
National Stock Number (NSN) 2540-01-697-9438, or NIIN 016979438, (duct assembly,air conditioning-h) was assigned October 20, 2021 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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 2540016979438 does not contain precious metals.
This information was last updated on Aug 01, 2025.