National Stock Number
6850-01-663-9511
National Stock Number (NSN) 6850-01-663-9511, or NIIN 016639511, (penetrating fluid) was assigned May 31, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 30420. [A WATER-SOLUBLE LIQUID INTENDED FOR LOOSENING FROZEN AND RUSTED PARTS. IT MAY OR MAY NOT HAVE RUBBER LUBRICANT(S) AND PRESERVATIVE PROPERTIES. EXCLUDES:PENETRATING OIL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table I of Federal Standard 313 and an MSDS should be available to the user. NSN 6850016639511 does not contain precious metals.
This information was last updated on Jul 01, 2025.