National Stock Number
5970-00-285-0056
National Stock Number (NSN) 5970-00-285-0056, or NIIN 002850056, (insulator,washer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002850056 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. One of those 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) 18294. [AN INSULATOR THAT IS ESSENTIALLY THIN AND FLAT, WITH ONE THROUGH HOLE CENTRALLY LOCATED. THE GENERAL SHAPE MAY VARY BY THE ADDITION OF FEATURES SUCH AS BEVELED EDGES, INDENTED SURFACES, THROUGH HOLE KEYS, AND/OR PERIPHERAL FLATS. THE THICKNESS MEASURED BETWEEN THE TWO PARALLEL BEARING SURFACES MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS. THE THICKNESS MEASURED BETWEEN THE TWO PARALLEL BEARING SURFACES MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS. EXCLUDES:ITEMS WITH MORE THAN ONE HOLE. SEE ALSO INSULATOR, DISK; INSULATOR, BEAD; INSULATOR, BUSHING; AND INSULATOR, PLATE]. 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 5970002850056 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.