National Stock Number
4730-00-209-1570
National Stock Number (NSN) 4730-00-209-1570, or NIIN 002091570, (seal nut,pipe) was assigned April 15, 1973 in the Federal Logistics Information System (FLIS). NIIN 002091570 was cancelled on August 2, 2009, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730015320694. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 23542. [A HEXAGONAL NUT CONTAINING INTERNAL TAPERED PIPE THREADS. IT HAS RAISED UNDETACHABLE SEALING MEMBER ON THE FACE OF THE BEARING SURFACE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF SEALING THE CONNECTION AT THE BOSS OR MATING SURFACE. IT DOES NOT PROVIDE ANY METHOD FOR LOCKING AT THE CONNECTION. SEE LOCKNUT, PIPE.]. 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 4730002091570 does not contain precious metals.
This information was last updated on Aug 01, 2025.