National Stock Number
4310-01-020-8421
National Stock Number (NSN) 4310-01-020-8421, or NIIN 010208421, (vacuum pump unit,rotary) was assigned May 7, 1976 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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 29904. [AN ASSEMBLED UNIT CONSISTING OF A COMMONLY MOUNTED ROTARY VACUUM PUMP(S), PRIME MOVER(S), AND THE NECESSARY COMPONENTS TO PROVIDE FOR A COMPLETE OPERATION. IT MAY INCLUDE 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 4310010208421 contains an unknown precious metal.
This information was last updated on May 01, 2025.