National Stock Number
6620-00-526-6631
National Stock Number (NSN) 6620-00-526-6631, or NIIN 005266631, (indicator,electrical tachometer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005266631 was cancelled on August 27, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6620005511383. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 08260. [AN INSTRUMENT WHICH DISPLAYS, IN UNITS OF REVOLUTIONS PER MINUTE, THE TRANSMITTED ROTATIONAL SPEED OF A SHAFT FOR A SPECIFIED ELAPSED TIME.]. 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 6620005266631 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.