National Stock Number
5210-00-225-8558
National Stock Number (NSN) 5210-00-225-8558, or NIIN 002258558, (head,micrometer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002258558 was cancelled on April 19, 2019, 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 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, 2 suppliers are listed as Active suppliers 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 Jan 08, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 11403. [A STRAIGHT CYLINDRICAL PRECISION INSTRUMENT CONSISTING BASICALLY OF A SPINDLE, CALIBRATED SLEEVE, AND A CALIBRATED THIMBLE. DESIGNED TO BE READILY ATTACHED TO SPECIAL GAGES, FIXTURES, TOOLS, AND THE LIKE, OR INSTALLED AS AN INTEGRAL PART OF A MACHINE, WHERE CRITICAL ADJUSTMENTS AND MEASUREMENTS ARE REQUIRED.]. 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 5210002258558 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.