National Stock Number
4730-01-518-9491
National Stock Number (NSN) 4730-01-518-9491, or NIIN 015189491, (union,tube) was assigned March 30, 2004 in the Federal Logistics Information System (FLIS). NIIN 015189491 was cancelled on September 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730002261019. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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, with the most recent procurement date of Apr 10, 2012. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L012M2841. The total value of the awarded contracts has been US$ 27.94.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 16, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03788. [A STRAIGHT TUBE FITTING CAPABLE OF BEING TAKEN APART AND REASSEMBLED. IT PERMITS DISCONNECTION AND CONNECTION OF TUBING OR TUBE FITTINGS WITHOUT DISTURBING THE END CONNECTIONS OR THE REST OF THE 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 4730015189491 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.