National Stock Number
5220-00-001-1255
National Stock Number (NSN) 5220-00-001-1255, or NIIN 000011255, (level,precision,master) was assigned September 18, 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 07, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM8E311M1218. The total value of the awarded contracts has been US$ 189.00.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 5220000011255 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 May 01, 2025.