National Stock Number
2530-01-587-4451
National Stock Number (NSN) 2530-01-587-4451, or NIIN 015874451, (caliper assembly,disc brake) was assigned August 6, 2010 in the Federal Logistics Information System (FLIS). NIIN 015874451 was cancelled on April 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2530015927911. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 06, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L311M6691. The total value of the awarded contracts has been US$ 2,526.16.
This NSN is somewhat common among different platforms, belonging to 3 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) 37039. [A U-SHAPED DEVICE WITH A FLOATING, SLIDING OR FIXED MOUNTING DESIGN. A DEVICE BY WHICH FORCE IS APPLIED BY MECHANICAL, HYDRAULIC, VACUUM, OR PNEUMATIC ACTUATION TO SLOW OR BRING TO A STOP, A ROTATING ROTOR DISC. IT MAY CONTAIN ANY NUMBER OF ASSOCIATED PARTS, SUCH AS PISTONS WHICH MAY BE OFFSET OR OPPOSED TO EACH OTHER, CALIPER HOUSINGS, BOLTS, SUPPORT SPRINGS, BUSHINGS, SLEEVES, SHIELDS, BLEED SCREWS, DUST BOOT, SHOE RETAINERS AND THE LIKE. MAY ALSO INCLUDE BRAKE-PADS WITH ASSEMBLED LININGS. EXCLUDES ROTOR DISCS.]. 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 2530015874451 does not contain precious metals.
This information was last updated on Aug 01, 2025.