National Stock Number
6630-01-371-9158
National Stock Number (NSN) 6630-01-371-9158, or NIIN 013719158, (comparator,viscosity,oil) was assigned February 25, 1993 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 07456. [AN INSTRUMENT THAT INDICATES BY DIRECT READING THE VISCOSITY OF A SAMPLE OF OIL IN SAYBOLT SECONDS. THE UNIT OPERATES BY A COMPARISON FACTOR WITH A SEALED-IN OIL OF KNOWN VISCOSITY.]. 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 6630013719158 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.