National Stock Number (NSN) 4720-00-134-4511, or NIIN 001344511, (hose,air duct) was assigned December 15, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4720010973777.
There are 6 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 11 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M425P5317, SPE7M424P2037, SPE7M421P0513, SPE7M414V2124, SPE7M113V8524. The total value of the awarded contracts has been US$ 18,847.06.
This NSN is unique to one weapons system.
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 Nov 01, 2014, 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 Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 11116. [A FLEXIBLE, TUBULAR ITEM OF 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 GASEOUS MATERIAL, SUCH AS AIR AND FUMES, AND LIGHT WEIGHT SOLID MATERIALS, SUCH AS DUST, POWDERS, AND FIBERS. FOR ITEMS WITH COUPLINGS, SEE HOSE ASSEMBLY, AIR DUCT. FOR ITEMS OF SLEEVE SECTION DESIGN RATED FOR HIGH PRESSURE USE, SEE SLEEVE, SEAL, COUPLING. 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 4720001344511 contains an unknown precious metal.
This NSN is associated to Schedule B 7223000000: wire of stainless steel. The Schedule B End Use is listed as iron and steel mill products. NAICS classification category 331222: steel wire drawing.
This information was last updated on Aug 01, 2025.