National Stock Number
4730-00-181-8820
National Stock Number (NSN) 4730-00-181-8820, or NIIN 001818820, (coupling half,quick disconnect) was assigned May 28, 1970 in the Federal Logistics Information System (FLIS). NIIN 001818820 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, only one supplier is 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 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 4730001818820 contains an unknown precious metal.
This information was last updated on May 01, 2025.