National Stock Number
4720-01-291-7979
National Stock Number (NSN) 4720-01-291-7979, or NIIN 012917979, (hose,air duct,air breathing) was assigned January 6, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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) 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 4720012917979 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.