National Stock Number
1240-00-550-0609
National Stock Number (NSN) 1240-00-550-0609, or NIIN 005500609, (retainer,optical element) was assigned October 18, 1974 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, there are no suppliers listed as an Active supplier 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, 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 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 1240005500609 does not contain precious metals.
This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.
This information was last updated on May 01, 2024.