National Stock Number
3040-00-409-0977
National Stock Number (NSN) 3040-00-409-0977, or NIIN 004090977, (disk brake shoe) was assigned May 1, 1974 in the Federal Logistics Information System (FLIS). NIIN 004090977 was cancelled on November 2, 2003, 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) 33503. [A REPLACEABLE METAL PLATE, USUALLY AFFIXED WITH A FABRIC FRICTION LINING AS THE CONTACT PAD SURFACE. IT MAY BE OF CIRCULAR, KIDNEY, OR RECTANGULAR SHAPE. WHEN MOUNTED IN A CALIPER CYLINDER HOUSING, BETWEEN BRAKE DISK AND HYDRAULIC OR PNEUMATIC PISTON(S), OR WHEEL AND CALIPER LEVER, IT IS SO DESIGNED THAT ACTUATED PRESSURE, ON THE SHOE FRICTION PAD, WILL RETARD OR STOP MOTION. EXCLUDES:BRAKE, DUAL DISK; BRAKE, SINGLE DISK; BRAKE SHOE; AND DISK, BRAKE.]. 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 3040004090977 does not contain precious metals.
This information was last updated on Jun 01, 2025.