National Stock Number
2530-00-491-3111
National Stock Number (NSN) 2530-00-491-3111, or NIIN 004913111, (brake shoe set) was assigned September 21, 1970 in the Federal Logistics Information System (FLIS). NIIN 004913111 was cancelled on December 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1630012823489. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 41125. [A GROUP OF REPLACEMENT PARTS CONSISTING OF TWO OR MORE BRAKE SHOE. IT MAY INCLUDE RETAINING SPRINGS, WASHERS, SHOE GUIDE PINS AND THE LIKE. EXCLUDES:ITEMS FURNISHED WITH BACKING PLATE, SPIDER AND/OR HYDRAULIC WHEEL CYLINDER(S), SHOE SEGMENT SETS FOR BRAKE EXPANDER TUBES, AND BRAKE (AS MODIFIED).]. 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 2530004913111 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.