National Stock Number
2540-21-914-4100
National Stock Number (NSN) 2540-21-914-4100, or NIIN 219144100, (control box,electrical/electronic,vehicular air te) has an unknown assigned date. 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, 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) 47729. [AN ENCLOSURE WHICH INCLUDES, MOUNTS AND PROTECTS ANY QUANTITY OF SWITCHES RELAY(S), CIRCUIT BREAKERS AND THE LIKE. IT MUST INCLUDE ITEMS WITH ACTUATORS EXTENDING FROM THE BOX WHICH ENCLOSES THE CIRCUIT ELEMENTS. IT IS DESIGNED TO CONTROL A VEHICLE'S ENVIRONMENTAL SYSTEM. THE SYSTEM MAY INCLUDE FILTERS TO PROTECT PERSONNEL FROM CBR CONTAMINATION. EXCLUDES:CIRCUIT BREAKER BOX; SWITCH BOX; JACK BOX; FUSE BOX AND TERMINAL BOX.].
This information was last updated on Dec 05, 2025.