National Stock Number
4310-01-222-2621
National Stock Number (NSN) 4310-01-222-2621, or NIIN 012222621, (compressor,rotary) was assigned December 10, 1985 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, 2019, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 29307. [A POSITIVE DISPLACEMENT COMPRESSOR DESIGNED TO COMPRESS AIR OR GAS BY MEANS OF ROTATING ELEMENTS INCLOSED IN A HOUSING. THE ROTATING ELEMENTS MAY BE CLASSIFIED AS (1) SLIDING VANE, WHICH IS A COMBINATION OF LONGITUDINAL VANES AND ROTOR, (2) AXIAL SCREW, WHICH CONSISTS OF TWO OR MORE SYMMETRICALLY-FORMED HELICAL ROTORS MOUNTED ON PARALLEL SHAFTS, (3) TWO IMPELLER, WHICH CONSISTS OF MATED LOBED IMPELLERS, SYMMETRICAL IN DESIGN SYNCHRONIZED BY A PAIR OF GEARS, (4) LIQUID PISTON, WHICH IS A ROTOR WITH SHROUDED VANES WHEREIN WATER OR OTHER LIQUID IS USED AS A SEALING AGENT. IT IS DESIGNED TO BE DRIVEN BY AN INDEPENDENT POWER SOURCE SUCH AS AN ELECTRIC MOTOR, GASOLINE OR DIESEL ENGINE, OR THE LIKE. IT DOES NOT INCLUDE THE PRIME MOVER, AIR STORAGE TANK, AND THE LIKE. IT MAY INCLUDE VARIOUS PERIPHERAL COMPONENTS SUCH AS DRIVE PULLEY, UNLOADER, AND THE LIKE.]. 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 4310012222621 does not contain precious metals.
This NSN is associated to Schedule B 8414809000: air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether fitted with filters, nesoi. 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 Apr 01, 2025.