National Stock Number
4730-01-331-2873
National Stock Number (NSN) 4730-01-331-2873, or NIIN 013312873, (adapter,straight,flange to pipe) was assigned December 15, 1990 in the Federal Logistics Information System (FLIS). NIIN 013312873 was cancelled on May 1, 2010, 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) 29656. [AN ADAPTER HAVING A FLANGE CONNECTION ON ONE END DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION OR A COMPRESSION TYPE MOUNTING PAD. THE OTHER END HAS STANDARD PIPE THREADS OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A PIPE. IT IS DESIGNED TO JOIN A FLANGE OR FLANGE FITTING TO A PIPE OR PIPE 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 4730013312873 does not contain precious metals.
This information was last updated on Jul 01, 2025.