National Stock Number
4940-00-497-0450
National Stock Number (NSN) 4940-00-497-0450, or NIIN 004970450, (resurfacer,commutator) was assigned October 1, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2000, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 07521. [A PORTABLE DEVICE DESIGNED TO TRUE UP COMMUTATORS OR SLIP RINGS WITHOUT DISMANTLING. THIS DEVICE MOUNTS DIRECTLY ON THE BRUSH RIGGING OR ARM BY MEANS OF BEARING OR RIGID SUPPORTS. REPLACEABLE ABRASIVE STONES ARE MOUNTED IN A HOLDER WHICH TRAVELS ALONG ENTIRE FACE OF COMMUTATOR OR SLIP RING.]. 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 4940004970450 contains an unknown precious metal.
This NSN is associated to Schedule B 8503002000: commutators for machines in heading 8501 or 8502. The Schedule B End Use is listed as generators, accessories. NAICS classification category 335312: motor and generator manufacturing.
This information was last updated on Jul 01, 2025.