National Stock Number
4720-01-249-7835
National Stock Number (NSN) 4720-01-249-7835, or NIIN 012497835, (hose,air duct,air breathing) was assigned February 17, 1987 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 2 suppliers. 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, with the most recent procurement date of Feb 28, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC17P2847. The total value of the awarded contracts has been US$ 8,378.00.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 14, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
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 4720012497835 does not contain precious metals.
This information was last updated on Aug 01, 2025.