National Stock Number
2530-01-073-7721
National Stock Number (NSN) 2530-01-073-7721, or NIIN 010737721, (valve,brake,proportioning and wa) was assigned March 21, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 24, 2013. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L313M6066, SPM7L313M5639. The total value of the awarded contracts has been US$ 1,150.00.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little 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 Sep 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 36339. [A DEVICE DESIGNED TO COMBINE A WARNING LIGHT SWITCH WITH A PROPORTIONING VALVE IN A HYDRAULIC BRAKE SYSTEM. THE WARNING SWITCH ACTIVATES THE DASHBOARD BRAKE LIGHT IN THE EVENT OF PRESSURE LOSS FAILURE. THE PROPORTIONING VALVE REDUCES HYDRAULIC PRESSURE TO THE REAR BRAKES TO PREVENT REAR WHEEL LOCKUP DURING HEAVY BRAKE APPLICATION.]. 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 2530010737721 contains an unknown precious metal.
This NSN is associated to Schedule B 8708300050: brakes and servo-brakes and parts, of motor vehicles of headings 8701 to 8705. The Schedule B End Use is listed as other parts and accessories of vehicles. NAICS classification category 336340: motor vehicle brake system manufacturing.
This information was last updated on Jul 01, 2025.