National Stock Number
4310-00-186-2869
National Stock Number (NSN) 4310-00-186-2869, or NIIN 001862869, (vacuum pump,diffusion) was assigned March 9, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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, with the most recent procurement date of Feb 16, 2017. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M017V5298, SPE7M114M5969, SPM7M013M1140, SPM7M311M5055, SPM7M911V1461. The total value of the awarded contracts has been US$ 3,285.61.
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 Dec 10, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 10269. [A VACUUM PUMP USED TO CREATE EXTREMELY LOW PRESSURE BY MEANS OF HEATING AND PUMPING A FLUID THROUGH ONE OR MORE STAGES AND PASSING THE HOT VAPORS THROUGH ONE OR MORE JETS.]. 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 4310001862869 contains an unknown precious metal.
This NSN is associated to Schedule B 8414100000: vacuum pumps. 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.