National Stock Number
2530-01-546-8734
National Stock Number (NSN) 2530-01-546-8734, or NIIN 015468734, (valve,protecting,multicircuit air brake) was assigned January 5, 2007 in the Federal Logistics Information System (FLIS). NIIN 015468734 was cancelled on December 2, 2009, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820015575442. 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 5 years.
This NSN is assigned to Item Name Code (INC) 46309. [A VALVE DESIGNED TO DISTRIBUTE THE INPUT POWER TO THE INDIVIDUAL CIRCUITS AND TO MAINTAIN THE PRESSURES IN THESE CIRCUITS AT A PRESET LEVEL ABOVE WHICH PRESSURE COMPENSATION BETWEEN THE INDIVIDUAL CIRCUITS MAY BE EFFECTED. IN CASE OF PRESSURE DROP AT THE INPUT OR A LOWERING OF THE PRESSURE OF ONE CIRCUIT BELOW A PRESENT VALUE, THE CIRCUITS NOT AFFECTED ARE KEPT AT THEIR PROTECTED MINIMUM PRESSURES. EXCLUDES VALVES (1), SAFETY RELIEF. SEE ALSO VALVE (1), RELAY, AIR PRESSURE VALVE (1), BRAKE PNEUMATIC.]. 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 2530015468734 does not contain precious metals.
This information was last updated on Aug 01, 2025.