National Stock Number
4730-01-160-3647
National Stock Number (NSN) 4730-01-160-3647, or NIIN 011603647, (ring,welding,pipe joint) was assigned August 20, 1983 in the Federal Logistics Information System (FLIS). NIIN 011603647 was cancelled on September 20, 2002, 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 one supplier. 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.
This NSN is assigned to Item Name Code (INC) 13125. [A PRESSED METAL ITEM, CIRCULAR IN SHAPE, DESIGNED TO FACILITATE AND EXPEDITE THE WELDING OF JOINTS IN STEEL PIPE AND TUBING. IT IS SPLIT LONGITUDINALLY AND FITS INSIDE THE TWO PIECES TO BE WELDED. A CENTRAL RIDGE ASSURES ALIGNMENT AND SPACING. WHEN WELDING IS COMPLETED, THE RING FORMS AN INTEGRAL PART OF THE JOINT.]. 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 4730011603647 does not contain precious metals.
This information was last updated on Jul 01, 2025.