National Stock Number
2530-01-183-4746
National Stock Number (NSN) 2530-01-183-4746, or NIIN 011834746, (rotor assembly,disc brake) was assigned July 6, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 9 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, 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) 37477. [A FLAT CIRCULAR METALLIC DEVICE WITH A CENTER MOUNTING AREA OF VARIOUS CONFIGURATION (RECESSED, FLAT, PROTRUDING, SHOULDERED, AND THE LIKE), IT ALSO INCLUDES THE MATING HUB, AND MAY INCLUDE ITEMS SUCH AS ROLLER CUPS, STUDS, AND THE LIKE. IT IS A COMPONENT OF A CALIPER TYPE BRAKE SYSTEM DESIGNED WITH A FLAT MACHINE BRAKING SURFACE WHICH MAY BE OF A SOLID, RIBBED OR SPACE DESIGNED FOR COOLING PURPOSES. FOR A ROTOR WITHOUT A HUB SEE ROTOR, DISK BRAKE.]. 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 2530011834746 does not contain precious metals.
This information was last updated on Aug 01, 2025.