National Stock Number
6660-00-027-5683
National Stock Number (NSN) 6660-00-027-5683, or NIIN 000275683, (baroswitch) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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) 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 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 6660000275683 contains an unknown precious metal.
This NSN is associated to Schedule B 9015808080: surveying, hydrographic, oceanographic, hydrological or meteorological instruments and appliances, excluding compasses and rangefinders, nesoi. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Aug 01, 2025.