National Stock Number
5990-01-210-8170
National Stock Number (NSN) 5990-01-210-8170, or NIIN 012108170, (synchro assembly) was assigned June 18, 1985 in the Federal Logistics Information System (FLIS). NIIN 012108170 was cancelled on April 7, 2001, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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) 61156. [TWO OR MORE SYNCHROS ON A COMMON MOUNTING OR MOUNTED ON EACH OTHER. DO NOT USE THIS NAME FOR SINGLE SYNCHROS MOUNTED WITH COMMON SYNCHRO ACCESSORIES SUCH AS PULLEYS, GEAR REDUCTION UNITS, STARTING MECHANISMS.]. 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 5990012108170 contains an unknown precious metal.
This information was last updated on Jun 01, 2025.