National Stock Number (NSN) 4720-00-247-5187, or NIIN 002475187, (hose assembly,air duct,air breat) was assigned July 7, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One 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, 2 suppliers are 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 5 years, with the most recent procurement date of Aug 19, 2019. There have been 13 contracts issued for this part number, with 13 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: SPE7M419V5064, SPE7M019V9312, SPE7M019V8839, SPE7M019V2827, SPE7M418V5691. The total value of the awarded contracts has been US$ 7,867.08.
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 Dec 10, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 30600. [A LENGTH OF HOSE, AIR DUCT, AIR BREATHING WHICH MAY HAVE END COUPLINGS ON ONE OR BOTH END/OR INCORPORATES A COMMUNICATION CABLE. IT IS DESIGNED FOR USE IN BREATHING OXYGEN SYSTEM, AIR LINE MASKS, GAS MASKS, AND THE LIKE. EXCLUDES:ITEMS WHICH INCLUDE THE BRANCH OR FORK HOSES; ASSEMBLIES MADE UP OF THE OXYGEN BREATHING HOSE, COMMUNICATION CABLE, WIRING FOR FACE MASK HEATER, AND VENT AND PRESSURE DUCTS FOR THE ANTI-GSUIT AND HOSE ASSEMBLY, NONMETALLIC.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4720002475187 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.