National Stock Number
6630-00-005-1580
National Stock Number (NSN) 6630-00-005-1580, or NIIN 000051580, (viscosimeter,cup type) was assigned June 7, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 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 not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2000, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 27024. [AN INSTRUMENT THAT INDICATES VISCOSITY OF LIQUIDS BY MEASURING THE TIME A SPECIFIC QUANTITY OF THE LIQUID TAKES TO FLOW THROUGH AN ORIFICE IN THE BOTTOM OF A CUP-SHAPED CONTAINER. THE TIME TO FLOW THROUGH THE ORIFICE CAN BE CONVERTED TO ANY OF THE STANDARD UNITS OF VISCOSITY BY USE OF APPROPRIATE TABLES AND/OR GRAPHS.]. 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 6630000051580 does not contain precious metals.
This NSN is associated to Schedule B 9027808000: instruments and apparatus for measuring/checking viscosity, porosity expansion, surface tension or the like, 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.