National Stock Number
6615-01-257-5423
National Stock Number (NSN) 6615-01-257-5423, or NIIN 012575423, (control,gyroscope,attitude-heading) was assigned June 20, 1987 in the Federal Logistics Information System (FLIS). NIIN 012575423 was cancelled on October 2, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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, 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.
This NSN is assigned to Item Name Code (INC) 37254. [A CONTROL DESIGNED FOR USE WITH AUTOMATIC PILOTS AND/OR REMOTE ATTITUDE INDICATORS CONSISTING PRIMARILY OF A GYROSCOPE WHICH PROVIDES SIGNALS FOR CONTROLLING AN AIRCRAFT ABOUT ITS LATERAL AND LONGITUDINAL AXIS AND/OR SIGNALS FOR PROVIDING A VISUAL PRESENTATION OF ATTITUDE TO THE PILOT.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6615012575423 does not contain precious metals.
This information was last updated on Aug 01, 2025.