National Stock Number
6650-01-663-6452
National Stock Number (NSN) 6650-01-663-6452, or NIIN 016636452, (eyepiece assembly,optical instru) was assigned May 17, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
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.
This NSN is assigned to Item Name Code (INC) 22123. [AN OPTICAL SYSTEM CONSISTING OF TWO OR MORE LENSES SECURED WITHIN A CYLINDRICAL SLEEVE. IT IS THE COMPONENT OF AN OPTICAL INSTRUMENT NEAREST THE EYE OF THE OBSERVER WHEN SIGHTING. THE DISTANCE BETWEEN LENSES IS MAINTAINED BY AN OPTICAL ELEMENT SPACER. IT USUALLY HAS FOCUSING FACILITIES AND MAY INCLUDE A RETICLE, FILTER, AND/OR DIOPTER SCALE.]. 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 6650016636452 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.