National Stock Number
6630-99-454-0611
National Stock Number (NSN) 6630-99-454-0611, or NIIN 994540611, (viscometer,tube type) has an unknown assigned date. 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 34 contracts issued for this part number, with 30 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE2DH25P1042, SPE2DH25V1266, SPE2DH25V0772, SPE2DH25V0775, SPE2DH25V0762. The total value of the awarded contracts has been US$ 338,998.70.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a moderate amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 50893. [A DEVICE TO DETERMINE THE VISCOSITY OF LIQUIDS BY MEASURING THE RATE OF FLOW OF A FIXED QUANTITY OF A SAMPLE THROUGH A GLASS CAPILLARY AT A MEASURED TEMPERATURE.].
This information was last updated on Oct 20, 2025.