National Stock Number
6635-01-553-0559
National Stock Number (NSN) 6635-01-553-0559, or NIIN 015530559, (couplant,ultrasonic test) was assigned July 3, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 67799. [A PREPARATION USED AS A CONDUCTIVE MEDIA IN PROVIDING EFFICIENT PHYSICAL CONTACT BETWEEN THE MEMBRANE OF THE TRANSDUCTOR, ULTRASONIC TEST AND THE ITEM TO INSPECT DURING TESTING OPERATION.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6635015530559 does not contain precious metals.
This information was last updated on Jul 01, 2025.