National Stock Number
4720-01-391-0503
National Stock Number (NSN) 4720-01-391-0503, or NIIN 013910503, (hose assembly,air breathing) was assigned June 2, 1994 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 39227. [A LENGTH OF HOSE, AIR BREATHING WITH COUPLINGS ON ONE OR BOTH ENDS AND/OR A COMMUNICATION CABLE. EXCLUDES:ITEMS WHICH INCLUDE A BRANCH HOSE OR FORK HOSES; WIRING FOR FACE MASK HEATER; VENT AND PRESSURE DUCTS FOR AN ANTI-G-SUIT; HOSE ASSEMBLY, NONMETALLIC.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4720013910503 does not contain precious metals.
This NSN is associated to Schedule B 8487900080: machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on May 01, 2025.