National Stock Number
6850-01-506-6533
National Stock Number (NSN) 6850-01-506-6533, or NIIN 015066533, (antifoam compound,silicone) was assigned April 4, 2003 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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 104 contracts issued for this part number, with 161 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625FB9AD, SPE4A625FACSQ, SPE4A625FACSQ, SPE4A725FB0JV, SPE4A725FB0JV. The total value of the awarded contracts has been US$ 1,432,692.62.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 04, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 6850015066533 does not contain precious metals.
This information was last updated on Aug 01, 2025.