National Stock Number
4730-01-345-3874
National Stock Number (NSN) 4730-01-345-3874, or NIIN 013453874, (coupling,tube) was assigned September 18, 1991 in the Federal Logistics Information System (FLIS). NIIN 013453874 was cancelled on February 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730013582493. This NSN does not replace any other NSNs.
There are 4 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 4 suppliers. Today, 3 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 06078. [A STRAIGHT FITTING 12 INCHES (304 MM) LONG OR UNDER HAVING THE SAME OR DIFFERENT TYPE OF CONNECTION OF THE SAME SIZE ON BOTH ENDS. IT IS DESIGNED TO JOIN A TUBE OR TUBE FITTING TO ANOTHER TUBE OR TUBE FITTING. EXCLUDES:FITTINGS WITH THREADED EXTERNAL CONNECTIONS ON BOTH ENDS. EXCLUDES:NIPPLE, PIPE.]. 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 4730013453874 does not contain precious metals.
This information was last updated on Aug 01, 2025.