NSN 6650-01-229-5751, 6650012295751
REFRACTOMETER

Federal Supply Classification: FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number: NIIN 012295751
Codification Country: United States
Item Name Code: INC 07312
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: We have 2 qualified suppliers

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DLMS^® Summary

National Stock Number 6650-01-229-5751

National Stock Number (NSN) 6650-01-229-5751, or NIIN 012295751, (refractometer) was assigned April 2, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

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 Sep 02, 2000, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 07312. [AN INSTRUMENT FOR DETERMINING THE REFRACTIVE INDEX OF A SUBSTANCE, BY MEANS OF A RAY OF LIGHT PASSING OBLIQUELY FROM ONE MEDIUM INTO ANOTHER OF DIFFERENT DENSITY, OR BY THE CHANGE IN DIRECTION OF THE FLOW OF AN ELECTRIC CURRENT WHEN IT PASSES FROM ONE MEDIUM TO ANOTHER OF DIFFERENT CONDUCTIVITY OR OF OTHER DIFFERING ELECTRIC QUALITIES. EXCLUDES:SPECTROSCOPE (AS MODIFIED).]. 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 6650012295751 does not contain precious metals.

This NSN is associated to Schedule B 9027509000: instrument and apparatus for physical or chemical analysis using optical radiations, 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.