National Stock Number
4730-01-056-9509
National Stock Number (NSN) 4730-01-056-9509, or NIIN 010569509, (coupling,hose) was assigned March 3, 1978 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 3 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 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 23, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03340. [A STRAIGHT HOSE FITTING DESIGNED TO JOIN A HOSE FITTING OR TO A HOSE OR ANOTHER HOSE FITTING. FOR CONNECTING HOSE TO HOSE FITTINGS IT MUST HAVE TWO TYPES OF HOSE CONNECTIONS AND ONE CONNECTION MUST HAVE STANDARD HOSE THREADS. FOR CONNECTING TWO HOSE FITTINGS IT MUST HAVE TWO TYPES OF HOSE CONNECTIONS THAT HAVE STANDARD HOSE THREADS OF THE SAME SIZE ON BOTH ENDS, ONLY ONE CONNECTION MAY BE EXTERNALLY THREADED. EXCLUDES:ITEMS WITH SELF-SEALING AND/OR QUICK DISCONNECT FEATURES.]. 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 4730010569509 contains an unknown precious metal.
This NSN is associated to Schedule B 3917390002: tubes,pipes, hoses, and fittings thereof of plastics, nesoi. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 326199: all other plastics product manufacturing.
This information was last updated on Aug 01, 2025.