National Stock Number
2530-01-347-4772
National Stock Number (NSN) 2530-01-347-4772, or NIIN 013474772, (chamber,air brake) was assigned October 22, 1991 in the Federal Logistics Information System (FLIS). NIIN 013474772 was cancelled on April 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2530012523679. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 10864. [A MECHANICAL DEVICE EMPLOYING A FLEXIBLE DISHED DIAPHRAGM TO CONVERT AIR PRESSURE INTO PHYSICAL FORCE TO ACTUATE THE BRAKE SHOES OF A VEHICLE. SEE ALSO ACTUATOR, SAFETY; ACTUATOR, SPRING BRAKE; AND ROTOCHAMBER.]. 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 2530013474772 does not contain precious metals.
This information was last updated on Jul 01, 2025.