National Stock Number
5210-00-566-3657
National Stock Number (NSN) 5210-00-566-3657, or NIIN 005663657, (gage block set) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5210005663656.
There are 4 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, 2 suppliers are listed as Active suppliers 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 Oct 02, 2019, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) 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) 05924. [A GROUP OF HARDENED METALLIC BLOCKS WITH PARALLEL SURFACES SUPERFINISHED FLAT TO PERMIT WRINGING TOGETHER. THEY MAY BE IN VARIOUS SIZES ACCORDING TO REQUIREMENTS. TOLERANCES ARE HELD SO THAT ACCUMULATED ERROR IS VERY SMALL. USED IN SET-UP AND INSPECTION OF PRECISION WORK.]. 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 5210005663657 does not contain precious metals.
This NSN is associated to Schedule B 9017308000: gauges for measuring length. The Schedule B End Use is listed as measuring, testing, control instruments.
This information was last updated on Jul 01, 2025.