National Stock Number
4720-00-443-3818
National Stock Number (NSN) 4720-00-443-3818, or NIIN 004433818, (hose assembly,air duct) was assigned April 3, 1969 in the Federal Logistics Information System (FLIS). 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 18451. [A LENGTH OF HOSE, AIR DUCT WITH COUPLINGS ON ONE OR BOTH ENDS. EXCLUDES:ITEMS WHICH INCLUDE A BRANCH HOSE OR FORK HOSE, HOSE ASSEMBLY, NONMETALLIC.]. 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 4720004433818 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.