National Stock Number
4310-01-631-8128
National Stock Number (NSN) 4310-01-631-8128, or NIIN 016318128, (vane set,rotary vacuum pump) was assigned September 26, 2014 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.
This NSN is assigned to Item Name Code (INC) 50983. [A MATCHED SET OF FLAT OR CURVED VANES, ROTARY VACUUM PUMP DESIGNED TO BE MOUNTED ON THE ROTOR. THE SET MAY CONTAIN ADDITIONAL COMPONENTS SUCH AS PINS, SPRINGS, GUIDES, AND THE LIKE, USED IN THE MOUNTING OR POSITIONING OF THE VANES.]. 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 4310016318128 does not contain precious metals.
This information was last updated on Jul 01, 2025.