National Stock Number
6650-00-829-4120
National Stock Number (NSN) 6650-00-829-4120, or NIIN 008294120, (retainer,optical element) was assigned January 1, 1962 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22451. [A CYLINDRICAL, EXTERNALLY THREADED ITEM HAVING A CENTRALLY LOCATED HOLE SPECIFICALLY DESIGNED TO RETAIN BY MEANS OF EITHER A RAISED BOX (SHOULDER), OR COUNTERBORE, COUNTERSINK, OR A SIMILAR SHAPED RECESS, AN OPTICAL ELEMENT SUCH AS A LENS, RETICLE, CELL, AND THE LIKE, IN OPTICAL ASSEMBLIES. IT MUST HAVE DRILLED HOLES OR SLOTS TO FACILITATE ASSEMBLY AND DISASSEMBLY. FOR ITEMS WHICH HOUSE THE OPTICAL ELEMENT(S), AND FORM THE INTERNAL OR CENTRAL PORTIONS OF AN OPTICAL SYSTEM, SEE CELL, OPTICAL ELEMENT. EXCLUDES:RING, EXTERNALLY THREADED.]. 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 6650008294120 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 Aug 01, 2025.