National Stock Number
4730-00-203-4541
National Stock Number (NSN) 4730-00-203-4541, or NIIN 002034541, (adapter,straight,tube to boss) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002034541 was cancelled on July 2, 2003, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730005411402. This NSN replaces 1 stock number, 4730001439154.
There are 3 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 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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.
This NSN is assigned to Item Name Code (INC) 22675. [AN ADAPTER HAVING MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE ON ONE END OR AN UNTHREADED END DESIGNED TO ACCOMMODATE A TUBE. THE OTHER END HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN A TUBE OR TUBE FITTING TO A BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. SEE ALSO COUPLING, TUBE AND NIPPLE, TUBE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730002034541 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.