National Stock Number
4720-01-721-2525
National Stock Number (NSN) 4720-01-721-2525, or NIIN 017212525, (hose,air breathing) was assigned June 3, 2024 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) 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 4720017212525 does not contain precious metals.
This information was last updated on Aug 01, 2025.