National Stock Number
1660-00-463-8877
National Stock Number (NSN) 1660-00-463-8877, or NIIN 004638877, (parts kit,cabin pressure regulator) was assigned May 9, 1969 in the Federal Logistics Information System (FLIS). NIIN 004638877 was cancelled on March 3, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 1660006750754, 1660006701071.
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 one supplier. Today, one supplier is 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) 33855. [A PARTS KIT USED FOR REPAIRING A REGULATOR, AIR PRESSURE, AIRCRAFT CABIN. EXCLUDES:PARTS KIT (1), PRESSURE REGULATING VALVE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660004638877 does not contain precious metals.
This information was last updated on Jul 01, 2025.