National Stock Number (NSN) 4730-00-840-5348, or NIIN 008405348, (coupling half,quick disconnect) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 4730010143913, 4730007668194, 4730001071007, 4730005678030, 4930006472070.
There are 22 manufacturer part numbers associated with this NSN. 13 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that 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 Jan 17, 2018. There have been 3 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M318V1319, SPE7M316M2970, SPE7M316M2980, SPE7M316M2970, SPE7M316M2970. The total value of the awarded contracts has been US$ 58,728.00.
This NSN is fairly common among different weapons systems, belonging to 20 different platforms.
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 Jun 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 18681. [A FLUID LINE FITTING HAVING A PIPE, TUBE OR HOSE CONNECTION OR A THROUGH HOLE TO ACCOMMODATE A BOLT, FLUID PASSAGE ON ONE END. THE OTHER END MUST HAVE AN INTERNAL OR EXTERNAL QUICK DISCONNECT FEATURE FOR CONNECTING A MATING PART TO FORM A QUICK DISCONNECT COUPLING ASSEMBLY. THE FITTING MAY INCORPORATE A SELF-SEALING FEATURE FOR THE PURPOSE OF AUTOMATICALLY SHUTTING OFF THE FLOW OF FLUID WHEN DISCONNECTED FROM ITS MATING HALF. FOR SELF-SEALING FITTINGS WITH AN EXTERNAL OR INTERNAL THREADED DISCONNECT END, SEE COUPLING HALF, SELF-SEALING. SEE ALSO, CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.]. 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 4730008405348 contains an unknown precious metal.
This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.