National Stock Number
6105-00-491-0778
National Stock Number (NSN) 6105-00-491-0778, or NIIN 004910778, (motor-tachometer generator) was assigned September 26, 1969 in the Federal Logistics Information System (FLIS). NIIN 004910778 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 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 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) 28454. [AN ITEM WHICH IS AN ELECTRICAL ROTATING MACHINE COMBINING BOTH CONTROL MOTOR AND TACHOMETER GENERATOR ACTION. THE CONTROL MOTOR AND TACHOMETER GENERATOR MAY BE CONTAINED IN THE SAME OR SEPARATE HOUSINGS. IT IS DESIGNED FOR SERVO APPLICATION WHERE INSTANT RESPONSE TO INPUT SIGNAL IS ESSENTIAL. IT IS GENERALLY USED IN CIRCUITS WHERE THE OUTPUT POTENTIAL FROM THE TACHOMETER GENERATOR IS FED BACK TO PREVENT EXCESSIVE OSCILLATION AND FOR ASSURING HIGH STABILITY IN A SERVO LOOP. EXCLUDES:DYNAMOTOR; AND MOTOR-GENERATOR.]. 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 6105004910778 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.