National Stock Number
6650-01-328-5134
National Stock Number (NSN) 6650-01-328-5134, or NIIN 013285134, (filter,light,interference) was assigned November 4, 1990 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5855012976689.
There are 4 manufacturer part numbers associated with this NSN. 3 of those 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. 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 very little 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 May 09, 2015, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 33094. [A LIGHT TRANSMITTING ITEM CONSISTING OF A TRANSPARENT, FLAT GLASS BODY HAVING TWO PLANE-PARALLEL SURFACES, EITHER WITH ONLY NONABSORBING DIELECTRIC COATINGS OR ABSORBING AND NONABSORBING COATINGS OF A THICKNESS NEARLY EQUIVALENT TO THE WAVELENGTH OF THE TRANSMITTED LIGHT. INTERFERENCE BEGINS AT THE THIN BORDERING SURFACES OF THE COATINGS, THE PENETRATING LIGHT WAVES BEING SUPERIMPOSED ON THE REFLECTED LIGHT WAVES. THE ITEM CAN BE INSTALLED IN VARIOUS OPTICAL INSTURMENTS, TO SERVE AS AN EYE PROTECTING DEVICE.]. 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 6650013285134 does not contain precious metals.
This NSN is associated to Schedule B 9018500000: other ophthalmic instruments and appliances and parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.
This information was last updated on Jul 01, 2025.