National Stock Number
6850-00-950-6489
National Stock Number (NSN) 6850-00-950-6489, or NIIN 009506489, (antifoam compound,silicone) was assigned May 27, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 6850000759750, 6850003226658, 6850000511344.
There are 8 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 5 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 27 contracts issued for this part number, with 56 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625FB0LA, SPE4A625FB0LA, SPE4A723FCKUL, SPE4A723FCKUL, SPE4A723FA3ZK. The total value of the awarded contracts has been US$ 63,542.22.
This NSN is unique to one weapons system.
There has been very little 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 May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21200. [A MIXTURE OF SILICONE COMPOUND AND AN INERT SUBSTANCE SUCH AS SILICA, USED TO PREVENT OR SUPPRESS FOAM IN A WIDE VARIETY OF AQUEOUS AND NONAQUEOUS SYSTEMS. FOR COMPOUNDS WITHOUT SILICONE SEE ANTIFOAM COMPOUND, SILICONE FREE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6850009506489 does not contain precious metals.
This information was last updated on Jul 01, 2025.