National Stock Number
6850-00-155-6881
National Stock Number (NSN) 6850-00-155-6881, or NIIN 001556881, (scale removing compound) was assigned January 24, 1973 in the Federal Logistics Information System (FLIS). NIIN 001556881 was cancelled on April 29, 2010, 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 3 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) 16638. [A CHEMICAL PRODUCT DESIGNED FOR REMOVAL OF MATERIAL DEPOSITED ON METAL SURFACES, USUALLY ON INTERIOR SURFACES SUCH AS EVAPORATOR TUBES AND HEAT EXCHANGERS. EXCLUDES:SCALE PREVENTION COMPOUNDS, INHIBITORS, AND CORROSION REMOVING COMPOUND.]. 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 6850001556881 does not contain precious metals.
This information was last updated on Aug 01, 2025.