National Stock Number
4720-00-545-5473
National Stock Number (NSN) 4720-00-545-5473, or NIIN 005455473, (hose,air breathing) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 4720007056901, 4720004700447, 1660003762840.
There are 8 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 15 contracts issued for this part number, with 15 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M224V2721, SPE7M423P4288, SPE7M423P4115, SPE7M019V3768, SPE7M318P4599. The total value of the awarded contracts has been US$ 117,287.10.
This NSN is fairly common among different weapons systems, belonging to 16 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 15,344. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 16, 2011, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 39226. [A FLEXIBLE, TUBULAR ITEM OF ODORLESS LIGHT WALL CONSTRUCTION. IT MUST HAVE SINGLE OR MULTIPLE LAYERS OF NONMETALLIC MATERIAL, BUT MAY CONTAIN METAL WIRE REINFORCEMENT, FOIL TYPE LINER, AND/OR WOVEN OR BRAIDED COVER. IT IS DESIGNED TO CONVEY UNDER LOW PRESSURE AIR OR OXYGEN FOR BREATHING PURPOSES. FOR ITEMS WITH COUPLINGS AND/OR A COMMUNICATION CABLE, SEE HOSE ASSEBMLY, AIR BREATHING. 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 4720005455473 does not contain precious metals.
This information was last updated on Jul 01, 2025.