National Stock Number (NSN) 4310-01-333-1939, or NIIN 013331939, (compressor,rotary) was assigned January 26, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated 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 a year. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M121P3595, SPE7M120P3056, SPE7M120P3056, SPE7M119P1855, SPE7M115M6563. The total value of the awarded contracts has been US$ 167,214.53.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 23, 2013, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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.]. 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 4310013331939 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 Jun 01, 2025.