National Stock Number
2530-99-776-6873
National Stock Number (NSN) 2530-99-776-6873, or NIIN 997766873, (chamber,vacuum brake) has an unknown assigned date. NIIN 997766873 was cancelled on April 30, 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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) 10865. [A MECHANICAL DEVICE EMPLOYING A FLEXIBLE DIAPHRAGM TO CONVERT VACUUM TO PHYSICAL FORCE TO ACTUATE THE BRAKE SHOES OF A VEHICLE.].
This information was last updated on Jan 28, 2026.