National Stock Number
5855-01-555-0028
National Stock Number (NSN) 5855-01-555-0028, or NIIN 015550028, (mount,viewer) was assigned August 27, 2007 in the Federal Logistics Information System (FLIS). NIIN 015550028 was cancelled on November 2, 2016, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5855016096598. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, with the most recent procurement date of Jan 05, 2016. There have been 4 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A616C0065, SPE4A415V1483, SPE4A614VH922, SPE4A414VC058. The total value of the awarded contracts has been US$ 893,896.89.
This NSN is unique to one weapons system.
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 Feb 02, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 38094. [A MECHANICAL ITEM OR COLLECTION OF ITEMS DESIGNED TO SUPPORT AND/OR POSITION AN OPTICAL OR INFRARED VIEWER. FOR ITEMS DESIGNED TO ACCOMMODATE ITEMS USED FOR WEAPON(S) AIMING SEE MOUNT, SIGHT.]. 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 5855015550028 does not contain precious metals.
This information was last updated on Aug 01, 2025.