National Stock Number
6620-00-557-3191
National Stock Number (NSN) 6620-00-557-3191, or NIIN 005573191, (gage unit,engine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005573191 was cancelled on January 22, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6620009939564. 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 03432. [A GAGE UNIT SPECIFICALLY DESIGNED TO MEASURE AND/OR INDICATE ENGINE OPERATING CHARACTERISTICS.]. This item does not have a critical feature 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 6620005573191 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.