National Stock Number
5220-00-223-9580
National Stock Number (NSN) 5220-00-223-9580, or NIIN 002239580, (level,precision,master) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 08, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 06264. [A PRECISELY CALIBRATED INSTRUMENT USED AS A MASTER REFERENCE STANDARD TO ESTABLISH AN ABSOLUTE HORIZONTAL PLANE. THE METAL BASE IS SEASONED AND HEAT TREATED OR OTHERWISE SPECIALLY TREATED TO INSURE MAXIMUM STABILITY, AND IS ACCURATELY MACHINED AND SCRAPED TO THE TRUE PLANE ON THE CONTACT SURFACE. THE TOP PLATE IS OF NONCONDUCTIVE HEAT INSULATING MATERIAL. IT HAS A VERY SENSITIVE VIAL GRADUATED TO INDICATE A VARIATION OF 0.0005 INCH (0.0127 MM) PER FOOT (0.3048 M) IN A HORIZONTAL PLANE. IT MAY HAVE A CROSS LEVEL VIAL TO ASSIST IN SETTING THE TRUE HORIZONTAL BY SHOWING POSITION LATERALLY.]. 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 5220002239580 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.