National Stock Number (NSN) 2530-01-595-3474, or NIIN 015953474, (actuator,spring brake) was assigned April 25, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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 a year. There have been 13 contracts issued for this part number, with 13 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7L324V4203, SPE7L222V1787, SPE7L020V1564, SPE7L319V0542, SPE7L018V5805. The total value of the awarded contracts has been US$ 77,767.88.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 15,046. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2013, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 39084. [A COMBINATION AIR OPERATED BRAKING DEVICE WHICH INCLUDES TWO SECTIONS. ONE SECTION FUNCTIONS AS A BRAKE CHAMBER FOR SERVICE BRAKING. THE OTHER SECTION USES A HEAVY DUTY SPRING, PISTON, PISTON ROD, AND THE LIKE TO APPLY EMERGENCY OR PARKING BRAKES. IT MAY ALSO INCLUDE MORE THAN ONE DIAPHRAGM. SEE ALSO ACTUATOR, SAFETY; CHAMBER, AIR 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 2530015953474 does not contain precious metals.
This NSN is associated to Schedule B 8607295000: brakes and parts thereof for railway or tramway vehicles (excludes vehicles of heading 8605 or 8606), nesoi. The Schedule B End Use is listed as railway transportation equipment. NAICS classification category 336510: railroad rolling stock manufacturing.
This information was last updated on Jul 01, 2025.