National Stock Number
4720-01-542-0457
National Stock Number (NSN) 4720-01-542-0457, or NIIN 015420457, (hose assembly,air breathing) was assigned July 20, 2006 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 20, 2020, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4720015420457 does not contain precious metals.
This information was last updated on Jul 01, 2025.