National Stock Number
4520-01-085-4427
National Stock Number (NSN) 4520-01-085-4427, or NIIN 010854427, (pipe,air conditioning-heating) was assigned November 8, 1979 in the Federal Logistics Information System (FLIS). NIIN 010854427 was cancelled on August 24, 2011, 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 15681. [A SHAPED PRODUCT OF SHEET METAL; ROUND, RECTANGULAR, OR SQUARE IN CROSS-SECTIONAL SHAPE. IT IS UNIFORM THROUGHOUT ITS LENGTH. USED TO CONDUCT AIR OR GAS FUMES FROM ONE AREA TO ANOTHER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520010854427 does not contain precious metals.
This information was last updated on May 01, 2025.