National Stock Number
4310-00-022-0646
National Stock Number (NSN) 4310-00-022-0646, or NIIN 000220646, (vacuum pump,diffusion) was assigned January 1, 1961 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 10269. [A VACUUM PUMP USED TO CREATE EXTREMELY LOW PRESSURE BY MEANS OF HEATING AND PUMPING A FLUID THROUGH ONE OR MORE STAGES AND PASSING THE HOT VAPORS THROUGH ONE OR MORE JETS.]. 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 4310000220646 contains an unknown precious metal.
This NSN is associated to Schedule B 8414100000: vacuum pumps. The Schedule B End Use is listed as industrial engines. NAICS classification category 333912: air and gas compressor manufacturing.
This information was last updated on May 01, 2025.