National Stock Number
4320-00-021-2943
National Stock Number (NSN) 4320-00-021-2943, or NIIN 000212943, (pump,rotary) was assigned April 27, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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 Oct 26, 1999, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) This part requires special test and/or inspection facilities to determine and maintain ultraprecision quality for its function or system integrity. Substantiation and inspection of the precision or quality cannot be accomplished without such specialized test or inspection facilities. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 30410. [A POSITIVE DISPLACEMENT DEVICE WHICH UTILZES THE ROTATING MOTION OF ONE OR MORE GEARS, CAMS, VANES, OR SCREWS IN AN ENCLOSURE AS A MEANS OF TRANSFERRING A LIQUID FROM ONE PLACE TO ANOTHER. IT IS DESIGNED TO BE DRIVEN MANUALLY OR BY A PRIME MOVER WHICH IS NOT AN INTEGRAL PART OF THE PUMP. EXCLUDES:AIRCRAFT ENGINE PUMPS.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4320000212943 does not contain precious metals.
This NSN is associated to Schedule B 8413600090: rotary positive displacement pumps, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333911: pump and pumping equipment manufacturing.
This information was last updated on Aug 01, 2025.