National Stock Number
4520-01-306-2057
National Stock Number (NSN) 4520-01-306-2057, or NIIN 013062057, (cap,flue) was assigned August 19, 1989 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 10, 2020. There have been 32 contracts issued for this part number, with 29 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7MX20FB9JK, SPE7MX20FB3UJ, SPM5E120FZ339, SPE7MX20FAHWC, SPE7MX20FAQ4Q. The total value of the awarded contracts has been US$ 38,133.76.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 16, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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) 15680. [AN ITEM DESIGNED FOR ATTACHING TO THE TOP OF A CHIMMEY OR SMOKE STACK TO ELIMINATE BACK DRAFT AND CREATE A PARTIAL VACUUM.]. 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 4520013062057 does not contain precious metals.
This NSN is associated to Schedule B 7321190070: cooking appliances and plate warmers, nonportable, solid fuel, of iron or steel. The Schedule B End Use is listed as household appliances. NAICS classification category 335221: household cooking appliance manufacturing.
This information was last updated on Jul 01, 2025.