National Stock Number
6660-00-543-7402
National Stock Number (NSN) 6660-00-543-7402, or NIIN 005437402, (baroswitch) has an unknown assigned date. NIIN 005437402 was cancelled on September 24, 1999, 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) 10875. [AN ITEM WHICH PERFORMS ELECTRICAL SWITCHING FUNCTIONS BY MECHANICAL ACTUATION RESULTING FROM CHANGES IN ATMOSPHERIC PRESSURE. USUALLY CONSISTS OF AN ANEROID DIAPHRAGM MECHANICALLY LINKED EITHER TO A CONTACT JOINT WHICH OPENS AND/OR CLOSES ELECTRICAL CIRCUITS, OR TO A CONTACT ARM WHICH SLIDES OVER A COMMUTATOR WHOSE SEPARATE SEGMENTS ARE CONNECTED TO ELECTRICAL CIRCUITS USED IN RADIO SIGNAL MODULATION. EXCLUDES:SWITCH, PRESSURE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6660005437402 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.