National Stock Number
3020-00-557-7706
National Stock Number (NSN) 3020-00-557-7706, or NIIN 005577706, (pulley,timing belt) was assigned November 11, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 45487. [A PULLEY WITH REGULARLY SPACED GROOVES PARALLEL TO THE PULLEY AXIS ON THE FACE. IT IS DESIGNED TO BE USED FOR TIMING PURPOSES SUCH AS TO SYNCHRONIZE THE IGINTION SPARK WITH THE COMPLETION OF THE COMPRESSION STROKE OF THE PISTON.]. 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 3020005577706 contains an unknown precious metal.
This NSN is associated to Schedule B 8511806000: internal combustion engine ignition equipment, nesoi. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on Aug 01, 2025.