National Stock Number
6625-99-111-1083
National Stock Number (NSN) 6625-99-111-1083, or NIIN 991111083, (test set,barometric system) 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) 61189. [AN ITEM DESIGNED TO SIMULATE ASCENT AND DESCENT IN A PNEUMATIC SYSTEM, AND TO INDICATE THE EQUIVALENT ALTITUDE AT WHICH THE BAROSWITCH CONTACTS OPERATE. IT ALSO TESTS ELEMENTS OF OPEN-ON-ASCENT AND CLOSE-ON-DESCENT BAROSWITCH ASSEMBLIES (EITHER REMOTE OR NONREMOTE SETTING), PORTIONS OF WIRING WITHIN THE ASSEMBLIES AND PRESSURE CHECKS THE COMPLETE BAROMETRIC SYSTEM OF A ROCKET, GUIDED MISSILE, OR THE LIKE.].
This information was last updated on Jan 09, 2026.