National Stock Number
2530-00-311-4881
National Stock Number (NSN) 2530-00-311-4881, or NIIN 003114881, (chamber,air brake) was assigned October 31, 1973 in the Federal Logistics Information System (FLIS). NIIN 003114881 was cancelled on January 2, 1997, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2530011832719. This NSN replaces 1 stock number, 2530000700026.
There are no manufacturer part numbers associated to 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.]. 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 2530003114881 does not contain precious metals.
This information was last updated on Jul 01, 2025.