National Stock Number
6540-01-259-0218
National Stock Number (NSN) 6540-01-259-0218, or NIIN 012590218, (coolant and cutting fluid,lens preparation) was assigned July 10, 1987 in the Federal Logistics Information System (FLIS). NIIN 012590218 was cancelled on December 2, 2011, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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 2 suppliers. 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.
This NSN is assigned to Item Name Code (INC) 29455. [A LIQUID SPECIFICALLY FORMULATED TO COOL LENS CUTTING AND GRINDING TOOLS AND TO FLUSH AWAY GLASS PARTICLES RESULTING FROM LENS EDGING, GRINDING, AND POLISHING OPERATIONS. EXCLUDES:CUTTING FLUID WHICH IS USED FOR LUBRICATING AND COOLING OF CUTTING TOOLS DURING METAL MACHINING.]. 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 6540012590218 does not contain precious metals.
This information was last updated on Aug 01, 2025.