National Stock Number
4920-01-665-1657
National Stock Number (NSN) 4920-01-665-1657, or NIIN 016651657, (grinding machine,valve face) was assigned July 21, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 Jul 22, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 08490. [A GRINDING MACHINE DESIGNED TO REFACE INTERNAL COMBUSTION ENGINE VALVES. IT MAY BE EQUIPPED TO PERFORM OTHER RELATED OPERATIONS SUCH AS GRINDING VALVE ENDS, TAPPETS, AND ROCKER ARMS.]. 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 4920016651657 does not contain precious metals.
This information was last updated on Apr 01, 2025.