National Stock Number
6685-21-911-5559
National Stock Number (NSN) 6685-21-911-5559, or NIIN 219115559, (thermometer,indicating,capillary tube and bulb) 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 07419. [A THERMOMETER WHICH EMPLOYS A CONFINED SUBSTANCE, WHOSE MEASURABLE PHYSICAL PROPERTIES OR ONE OF THEM VARIES WITH A CHANGE IN TEMPERATRUE AND THIS ENERGY TRANSMITTED INTO MECHANICAL MOVEMENT TO INDICATE THE TEMPERATURE. FOR INDOOR/OUTDOOR APPLICATION, SEE THERMOMETER, SELF-INDICATING, LIQUID IN GLASS.].
This information was last updated on Aug 13, 2025.