National Stock Number
5855-01-439-5623
National Stock Number (NSN) 5855-01-439-5623, or NIIN 014395623, (eyepiece assembly,optical instrument) was assigned December 12, 1996 in the Federal Logistics Information System (FLIS). NIIN 014395623 was cancelled on November 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5855014493696. 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. 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, with the most recent procurement date of Sep 17, 2010. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM4A110M0423. The total value of the awarded contracts has been US$ 7,958.50.
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 5855014395623 does not contain precious metals.
This information was last updated on Aug 01, 2025.