National Stock Number
6630-01-680-9964
National Stock Number (NSN) 6630-01-680-9964, or NIIN 016809964, (tester,antifreeze solutions) was assigned May 31, 2019 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 25 contracts issued for this part number, with 25 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: SPE2DH25P0839, SPE2DH25V1997, SPE2DH25V0689, SPE2DH25V0689, SPE2DH25P0120. The total value of the awarded contracts has been US$ 976.24.
This NSN is somewhat common among different platforms, belonging to 8 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 Jun 07, 2019, 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) 07188. [AN ITEM CONSISTING OF A SYRINGE AND HYDROMETER DESIGNED TO DETERMINE THE FREEZING TEMPERATURE OF ANTIFREEZE SOLUTIONS COMMONLY USED IN LIQUID COOLED ENGINES AND THE LIKE. IT MAY BE EQUIPPED WITH A THERMOMETER, CONVERSION TABLE(S), AND/OR COOLING SYSTEM CAPACITY CHART(S).]. 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 6630016809964 does not contain precious metals.
This NSN is associated to Schedule B 9027803200: chemical analysis instruments and apparatus, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Aug 01, 2025.