National Stock Number
4920-01-246-5928
National Stock Number (NSN) 4920-01-246-5928, or NIIN 012465928, (eyepiece assembly,optical instrument) was assigned December 16, 1986 in the Federal Logistics Information System (FLIS). NIIN 012465928 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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) 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4920012465928 does not contain precious metals.
This information was last updated on Jul 01, 2025.