National Stock Number
6685-00-641-6800
National Stock Number (NSN) 6685-00-641-6800, or NIIN 006416800, (indicator,humidity,plug) 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 are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers 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.
This NSN is assigned to Item Name Code (INC) 08357. [AN ITEM WHICH USES THE CHANGING COLOR OF A DESICCANT IN THE PRESENCE OF MOISTURE TO INDICATE HUMIDITY. THE DESICCANT IS IN A PLUG THROUGH WHICH THE COLOR MAY BE OBSERVED AND COMPARED WITH A CHART.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6685006416800 does not contain precious metals.
This NSN is associated to Schedule B 9025805050: hydrometers and similar floating instruments,hygrometers and psychrometers, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Aug 01, 2025.