National Stock Number
6660-00-530-0004
National Stock Number (NSN) 6660-00-530-0004, or NIIN 005300004, (baroswitch) has an unknown assigned date. NIIN 005300004 was cancelled on August 2, 1992, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 5930003703857.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6660005300004 does not contain precious metals.
This information was last updated on Aug 01, 2025.