National Stock Number
6840-01-548-0357
National Stock Number (NSN) 6840-01-548-0357, or NIIN 015480357, (biocide,water additive) was assigned February 7, 2007 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 May 08, 2017. There have been 11 contracts issued for this part number, with 32 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM4AR07D0015, SPM4AR07D0015, SPM4AR07D0014, SPM4AR07D0014, SPM4AR07D0014. The total value of the awarded contracts has been US$ 3,468.30.
This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.
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 Feb 08, 2007, 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 requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 51474. [A BIOCIDE DESIGNED TO STOP THE DEVELOPMENT OF MICROORGANISM CONTAMINATION IN WATER COOLING TOWERS, AIR WASHERS, EVAPORATIVE CONDENSERS, AND THE LIKE.]. 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 6840015480357 does not contain precious metals.
This information was last updated on Aug 01, 2025.