National Stock Number
1680-00-554-0342
National Stock Number (NSN) 1680-00-554-0342, or NIIN 005540342, (reel,shoulder harness,inertia lo) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1680006704273.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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) 19338. [A ROTARY DEVICE DESIGNED TO BE INSTALLED IN AN AIRCRAFT TO AUTOMATICALLY CONTROL THE EXTENSION AND RETRACTION OF A SHOULDER HARNESS ATTACHMENT CABLE OR WEBBING. IT INCORPORATES AN INERTIA LOCKING MECHANISM THAT RESTRAINS THE FORWARD MOVEMENT OF FLIGHT PERSONNEL IN THE EVENT OF ABRUPT DECELERATION OF THE AIRCRAFT. IT MAY INCLUDE THE ATTACHMENT CABLE OR WEBBING AND THE MANUALLY OR ELECTRICALLY OPERATED CONTROLS.]. 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 1680005540342 contains an unknown precious metal.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jun 01, 2025.