National Stock Number
2530-01-197-4276
National Stock Number (NSN) 2530-01-197-4276, or NIIN 011974276, (cup,hydraulic brake cylinder) was assigned December 21, 1984 in the Federal Logistics Information System (FLIS). NIIN 011974276 was cancelled on May 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2530011964743. 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 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 somewhat common among different platforms, belonging to 5 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.
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 2530011974276 does not contain precious metals.
This information was last updated on Aug 01, 2025.