National Stock Number
5210-00-498-8839
National Stock Number (NSN) 5210-00-498-8839, or NIIN 004988839, (head,micrometer) was assigned January 1, 1963 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5210004988839 does not contain precious metals.
This NSN is associated to Schedule B 9017900140: parts and accessories of articles of subheading 9017.30.40. The Schedule B End Use is listed as measuring, testing, control instruments.
This information was last updated on Jul 01, 2025.