National Stock Number (NSN) 2530-01-557-6565, or NIIN 015576565, (caliper assembly,disc brake) was assigned October 25, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7L223P0246, SPE7L222P0703, SPE7L322P0471, SPE7L321P4197, SPM7L310M6846. The total value of the awarded contracts has been US$ 431,482.10.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
There has been a small amount of 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 May 03, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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 2530015576565 does not contain precious metals.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Jul 01, 2025.