National Stock Number
4520-01-622-9686
National Stock Number (NSN) 4520-01-622-9686, or NIIN 016229686, (collar,air conditioning-heating) was assigned October 28, 2013 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 29, 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. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15679. [A STRAIGHT FORMED FITTING WITH IDENTICAL INTERNAL ENDS, USED TO FORM A CONNECTION OF TWO AIR CONDITIONING-HEATING FITTINGS.]. 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 4520016229686 does not contain precious metals.
This information was last updated on Jul 01, 2025.