National Stock Number
4520-01-335-9725
National Stock Number (NSN) 4520-01-335-9725, or NIIN 013359725, (pipe assembly,air conditioning-h) was assigned March 17, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
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 Sep 02, 2006, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 46863. [A COMBINATION OF LENGTHS OF PIPE AND FITTINGS, SUCH AS ADAPTERS, COLLARS, COUPLINGS, ELBOWS, LATERALS, REDUCERS, TEES, AND THE LIKE, USED TO CONDUCT AIR OR GAS FLOW FROM ONE AREA TO ANOTHER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520013359725 does not contain precious metals.
This information was last updated on Jul 01, 2025.