National Stock Number (NSN) 2530-01-168-1992, or NIIN 011681992, (caliper assembly,disc brake) was assigned December 14, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 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 2530011681992 does not contain precious metals.
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.