National Stock Number
4720-01-040-4948
National Stock Number (NSN) 4720-01-040-4948, or NIIN 010404948, (hose,air duct,air breathing) was assigned May 8, 1977 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M122P0863, SPE7M122P0863, SPE7M421P2020, SPM7M412M4609, SPM7M111V9890. The total value of the awarded contracts has been US$ 12,006.30.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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.]. 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 4720010404948 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.