National Stock Number
5210-01-375-4991
National Stock Number (NSN) 5210-01-375-4991, or NIIN 013754991, (gage block) has an unknown assigned date. NIIN 013754991 was cancelled on January 22, 2000, 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 no manufacturer part numbers associated to 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) 13797. [A HARDENED METALLIC BLOCK WITH PARALLEL PRECISION GROUND SUPERFINISHED SURFACES TO PERMIT WRINGING TOGETHER. A COMPONENT OF GAGE BLOCK SET USED IN SETUP AND INSPECTION WORK. EXCLUDES:GAGE BLOCK SET.]. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5210013754991 does not contain precious metals.
This information was last updated on Aug 01, 2025.