National Stock Number
4310-00-631-2429
National Stock Number (NSN) 4310-00-631-2429, or NIIN 006312429, (vacuum pump unit,diffusion and r) was assigned March 15, 1975 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, 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.
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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 10889. [AN ASSEMBLED UNIT CONSISTING OF A COMMONLY MOUNTED DIFFUSION VACUUM PUMP(S), ROTARY VACUUM PUMP(S), PRIME MOVER(S), AND THE NECESSARY COMPONENTS TO PROVIDE FOR A COMPLETE OPERATION. IT MAY INCLUDE A VACUUM STORAGE TANK(S).]. 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 4310006312429 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.