National Stock Number
6940-00-991-4109
National Stock Number (NSN) 6940-00-991-4109, or NIIN 009914109, (disk,light interrupting) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 009914109 was cancelled on April 30, 2010, 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 assigned to Item Name Code (INC) 20916. [A CIRCULAR PLATE SPECIFICALLY DESIGNED TO ROTATE AND PERMIT THE PASSAGE OF LIGHT FROM A SOURCE, BY VIRTUE OF HOLES OR TRANSPARENT SECTIONS CONTAINED THEREIN. EXCLUDES:DISK, STROBOSCOPE.]. 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 6940009914109 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.