National Stock Number
4520-00-203-9176
National Stock Number (NSN) 4520-00-203-9176, or NIIN 002039176, (elbow,air conditioning-heating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002039176 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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) 15677. [A FITTING USED TO CONNECT TWO SECTIONS OF AIR CONDITIONING-HEATING FLUE PIPES OF THE SAME CROSS-SECTIONAL SHAPE TO FORM AN ANGULAR TURN.]. 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 4520002039176 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.