National Stock Number
5970-00-056-3556
National Stock Number (NSN) 5970-00-056-3556, or NIIN 000563556, (insulating varnish,electrical) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 16220. [A LIQUID PREPARATION WHICH DRIES BY EVAPORATION AND/OR OXIDATION AND IS SPECIFICALLY COMPOUNDED TO PROVIDE ELECTRICAL INSULATING CHARACTERISTICS. IT MAY HAVE OTHER INCIDENTAL VALUES SUCH AS RESISTANCE TO MOISTURE, FUNGUS, OR THE LIKE. FOR ITEMS WHICH ARE NOT SPECIFICALLY COMPOUNDED TO PROVIDE ELECTRICAL INSULATING CHARACTERISTICS, USE VARNISH, OIL OR LACQUER. SEE ALSO INSULATING COMPOUND, ELECTRICAL.]. 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 II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5970000563556 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.