National Stock Number
4520-01-042-0378
National Stock Number (NSN) 4520-01-042-0378, or NIIN 010420378, (elbow,air conditioning-heating) has an unknown assigned date. NIIN 010420378 was cancelled on September 19, 1999, 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520010420378 contains an unknown precious metal.
This information was last updated on May 01, 2025.