National Stock Number
4310-00-990-2851
National Stock Number (NSN) 4310-00-990-2851, or NIIN 009902851, (compressor,reciprocating) was assigned November 18, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 Dec 11, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03815. [A POSITIVE DISPLACEMENT COMPRESSOR DESIGNED TO COMPRESS AIR OR GAS FROM AN INITIAL INTAKE PRESSURE TO A HIGHER DISCHARGE PRESSURE BY MEANS OF RECIPROCATING PISTON(S) IN CYLINDER(S). 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 4310009902851 contains an unknown precious metal.
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 Aug 01, 2025.