National Stock Number
4720-01-187-3884
National Stock Number (NSN) 4720-01-187-3884, or NIIN 011873884, (hose,air duct,air breathing) was assigned August 22, 1984 in the Federal Logistics Information System (FLIS). NIIN 011873884 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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 30599. [AN ODORLESS, FLEXIBLE, HOLLOW ITEM, WITHOUT END COUPLING OR A COMMUNICATION CABLE. IT MAY BE OF SINGLE OR MULTIPLE LAYER CONSTRUCTION AND MAY CONTAIN WIRE REINFORCEMENT. IT IS DESIGNED FOR USE IN LOW PRESSURE BREATHING OXYGEN SYSTEM, AIR LINE MASKS, AND THE LIKE. EXCLUDES:HOSE, NONMETALLIC.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4720011873884 does not contain precious metals.
This information was last updated on Jul 01, 2025.