National Stock Number
3120-01-657-9728
National Stock Number (NSN) 3120-01-657-9728, or NIIN 016579728, (bearing,jewel) was assigned September 7, 2016 in the Federal Logistics Information System (FLIS). 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 08, 2016, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 42832. [AN ITEM GENERALLY ROUND IN SHAPE AND USUALLY HAVING A CENTRALLY LOCATED HOLE. IT HAS AT LEAST ONE FLAT BEARING SURFACE. IT IS MADE OF PRECIOUS OR SEMI-PRECIOUS GEM (RUBY, SAPPHIRE AND THE LIKE), NATURAL OR SYNTHETIC. IT IS INTENDED FOR USE IN PRECISION INSTRUMENTS, METERS, TIMING DEVICES, CLOCKS, AND THE LIKE.]. 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 3120016579728 does not contain precious metals.
This information was last updated on May 01, 2025.