National Stock Number
4730-00-374-1738
National Stock Number (NSN) 4730-00-374-1738, or NIIN 003741738, (union,tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003741738 was cancelled on January 2, 2012, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730002783220. This NSN replaces 1 stock number, 4730003191262.
There are 8 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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) 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 4730003741738 does not contain precious metals.
This information was last updated on Aug 01, 2025.