National Stock Number
5210-00-004-5703
National Stock Number (NSN) 5210-00-004-5703, or NIIN 000045703, (ball,measuring) was assigned June 7, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 11, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21189. [A SPHERICAL PIECE OF METAL, CARBIDE, CERAMIC, PLASTIC OR SYNTHETIC GEM, PRECISION GROUND AND ACCURATE IN DIAMETER AND SPHERICITY. IT IS USED IN CONJUNCTION WITH MEASURING TOOLS TO MEASURE SURFACES WHERE ROLLS OR WIRES WILL NOT MAKE CONTACT, SUCH AS COUNTERSINKS, INTERNAL GROOVES, TAPERED DIAMETERS, DOVETAILS, AND THE LIKE. FOR SETS OF DIFFERENT DIAMETERS, SEE BALL SET, MEASURING.]. 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 5210000045703 contains an unknown precious metal.
This NSN is associated to Schedule B 9031808080: other measuring or checking instruments, appliances and machines, nesoi in chapter 90. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Apr 01, 2025.