National Stock Number
1680-01-356-5566
National Stock Number (NSN) 1680-01-356-5566, or NIIN 013565566, (recovery sequencer,ejection seat,aircraft) was assigned April 7, 1992 in the Federal Logistics Information System (FLIS). NIIN 013565566 was cancelled on May 1, 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 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 assigned to Item Name Code (INC) 53033. [A DEVICE WHICH PROVIDES AUTOMATIC ACTIVATION, AT PRESET INTERVALS, OF THE AIRCRAFT CREWMEMBER EJECTION SEAT ESCAPE SYSTEMS AND SUBSYSTEMS. IT ACTIVATES IMMEDIATELY AFTER THE SEAT IS EJECTED FROM THE AIRCRAFT. IT CONTAINS LOGIC CIRCUITRY TO SELECT THE BEST MODE OF OPERATION FOR A FULL RANGE OF ESCAPE CONDITIONS BASED UPON SPEED AND ALTITUDE AT THE TIME OF EJECTION. IT ALSO CONTAINS INTERNAL THERMAL BATTERIES, WHEN ACTIVATED, PROVIDES POWER TO OPERATE TIMING CIRCUITS AND INITIATE ELECTRICAL IMPULSES THAT ACTUATE SUBSYSTEM BALLISTIC DEVICES.]. 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 1680013565566 does not contain precious metals.
This information was last updated on Jul 01, 2025.