National Stock Number
4720-00-139-3433
National Stock Number (NSN) 4720-00-139-3433, or NIIN 001393433, (hose,air breathing) was assigned April 4, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 04, 2020. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M121P0705, SPE7MC17P3117, SPE7M417P2081, SPE7M417P2081, SPE7MC16VD555. The total value of the awarded contracts has been US$ 3,632.30.
This NSN is somewhat common among different platforms, belonging to 2 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 Feb 26, 2016, 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 4720001393433 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.