National Stock Number
2530-01-218-1946
National Stock Number (NSN) 2530-01-218-1946, or NIIN 012181946, (brake booster assembly,master cylinder) was assigned October 8, 1985 in the Federal Logistics Information System (FLIS). NIIN 012181946 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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) 36391. [A FRAME MOUNTED DIAPHRAGM OR PISTON TYPE CHAMBER(S), CONSISTING OF COMPONENTS SUCH AS A CONTROL VALVE, CHECK VALVE, PUSH ROD AND THE LIKE. MAY INCLUDE ELECTRIC MOTOR. IS ACTUATED BY A COMBINATION OF MECHANICAL AND/OR ELECTRIC, VACUUM, AIR AND HYDRAULICS. FOR ITEMS THAT INCLUDE CYLINDER ASSEMBLY, HYDRAULIC BRAKE, MASTER SEE MASTER CYLINDER POWER UNIT.]. 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 2530012181946 does not contain precious metals.
This information was last updated on Jul 01, 2025.