National Stock Number
2530-00-343-0542
National Stock Number (NSN) 2530-00-343-0542, or NIIN 003430542, (brake shoe) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003430542 was cancelled on August 6, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 4 stock numbers: 2530004625108, 2530004268768, 2530003430544, 5340003780463.
There are 20 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 14 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers 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) 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 2530003430542 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.