National Stock Number
2530-00-287-2319
National Stock Number (NSN) 2530-00-287-2319, or NIIN 002872319, (cup,hydraulic brake cylinder) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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) 11359. [A CIRCULAR-SHAPED ITEM OF MOLDED SYNTHETIC OR NATURAL RUBBER DESIGNED SPECIFICALLY TO SEAL FLUID PRESSURE AND PREVENT LEAKAGE WITHIN THE CYLINDERS OF A VEHICULAR HYDRAULIC BRAKE SYSTEM. IT IS A COMPONENT OF CYLINDER ASSEMBLY, HYDRAULIC BRAKE, MASTER OR CYLINDER ASSEMBLY, HYDRAULIC BRAKE, WHEEL. EXCLUDES:CUP, COMPRESSION.]. 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 2530002872319 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 Aug 01, 2025.