National Stock Number
2530-00-432-1723
National Stock Number (NSN) 2530-00-432-1723, or NIIN 004321723, (brake shoe) was assigned May 3, 1971 in the Federal Logistics Information System (FLIS). NIIN 004321723 was cancelled on March 25, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 3 stock numbers: 2530004321284, 2530011043857, 2530010109864.
There are 7 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 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) 30489. [A METAL ITEM IN THE SHAPE OF AN ARC, WITH OR WITHOUT A REPLACEABLE FRICTION LINING ON THE SURFACE OF THE SHOE ARC. WHEN ACTUATED BY A CAM, LEVER AND/OR HYDRAULIC CYLINDER, IT EXERTS PRESSURE ON A DRUM OR WHEEL. ALSO, SEE BRAKE, SHOE TYPE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 2530004321723 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.