National Stock Number
4720-01-320-0018
National Stock Number (NSN) 4720-01-320-0018, or NIIN 013200018, (hose assembly,air duct) was assigned May 17, 1990 in the Federal Logistics Information System (FLIS). NIIN 013200018 was cancelled on June 14, 2001, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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) 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 4720013200018 does not contain precious metals.
This information was last updated on Aug 01, 2025.