National Stock Number
4730-00-273-8561
National Stock Number (NSN) 4730-00-273-8561, or NIIN 002738561, (adapter,straight,pipe to tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 16 stock numbers. Five of the National Stock Numbers that it replaces are: 4730008896042, 4730002425373, 4730003529797, 4730009939594, 4730004145616.
There are 24 manufacturer part numbers associated with this NSN. 18 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 18 suppliers. Today, 9 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.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 03776. [AN ADAPTER HAVING STANDARD PIPE THREADS ON ONE END OR AN UNTHREADED END DESIGNED TO ACCOMMODATE A PIPE. THE OTHER END HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. IT IS DESIGNED TO JOIN A PIPE OR PIPE FITTING TO A TUBE OR TUBE FITTING IN A STRAIGHT 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 4730002738561 does not contain precious metals.
This information was last updated on Aug 01, 2025.