National Stock Number
2540-01-210-4562
National Stock Number (NSN) 2540-01-210-4562, or NIIN 012104562, (control box,electrical,vehicular heater) was assigned June 13, 1985 in the Federal Logistics Information System (FLIS). NIIN 012104562 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 no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 22003. [A METAL OR PLASTIC INCLOSURE WHICH INCLUDES, MOUNTS AND PROTECTS ANY QUANTITY AND/OR COMBINATIONS OF ELECTRICAL DEVICES, SUCH AS SWITCHES, RELAYS, CIRCUIT BREAKERS, AND THE LIKE. IT MUST INCLUDE ITEMS, WITH ACTUATORS EXTENDING FROM THE BOX WHICH INCLOSES THE CIRCUITS ELEMENTS. IT IS SPECIFICALLY DESIGNED TO CONTROL THE CIRCUITS OF A VEHICULAR HEATER. FOR BOXES WHICH INCLUDE ONLY CIRCUIT BREAKERS, SWITCHES, JACKS, FUSE HOLDERS OR TERMINALS AND/OR TERMINAL BOARDS, SEE CIRCUIT BREAKER BOX; SWITCH BOX; JACK BOX; FUSE BOX AND TERMINAL BOX. SEE ALSO SWITCH BOARD (AS MODIFIED) AND PANEL, FUSE. FOR BOXES WIRED TO PROVIDE THE INTERCONNECTING FACILITIES FOR A SPECIFIC GROUP OF ELECTRONIC ITEMS OUTSIDE FOR THE BOX, SEE INTERCONNECTING BOX. EXCLUDES CONNECTOR-LIGHT; CONNECTOR-LIGHT-SWITCH; CONNECTOR-SWITCH AND DISTRIBUTION BOX.]. 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 2540012104562 does not contain precious metals.
This information was last updated on Jul 01, 2025.