National Stock Number
5990-00-160-0339
National Stock Number (NSN) 5990-00-160-0339, or NIIN 001600339, (synchro assembly) was assigned March 26, 1971 in the Federal Logistics Information System (FLIS). NIIN 001600339 was cancelled on September 2, 2005, 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 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, 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 5990001600339 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.