National Stock Number
6615-00-515-3993
National Stock Number (NSN) 6615-00-515-3993, or NIIN 005153993, (release,servo,automatic pilot) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 6615003074082, 6610005359953.
There are 3 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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) 05431. [A RELEASE MOUNTED ON A SERVO OUTPUT SHAFT DESIGNED TO PROVIDE A MEANS OF MECHANICALLY DISCONNECTING THE AUTOMATIC PILOT FROM THE AIRCRAFT'S 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 6615005153993 does not contain precious metals.
This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.
This information was last updated on Aug 01, 2025.