National Stock Number
2530-01-439-2293
National Stock Number (NSN) 2530-01-439-2293, or NIIN 014392293, (chamber,air brake) was assigned December 3, 1996 in the Federal Logistics Information System (FLIS). NIIN 014392293 was cancelled on April 2, 2017, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2530013168623. This NSN does not replace any other NSNs.
There are 4 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, 2 suppliers are 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, with the most recent procurement date of Aug 20, 2010. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L210M7541, SPM7L210M7541. The total value of the awarded contracts has been US$ 3,371.19.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 03, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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 2530014392293 does not contain precious metals.
This information was last updated on Aug 01, 2025.