National Stock Number
2530-01-302-3977
National Stock Number (NSN) 2530-01-302-3977, or NIIN 013023977, (disk brake shoe) was assigned June 14, 1989 in the Federal Logistics Information System (FLIS). 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.
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.]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2530013023977 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.