National Stock Number
5210-01-225-5429
National Stock Number (NSN) 5210-01-225-5429, or NIIN 012255429, (gage block set) was assigned February 3, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 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 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. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 5210012255429 contains an unknown precious metal.
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 Aug 01, 2025.