National Stock Number
6685-01-420-3700
National Stock Number (NSN) 6685-01-420-3700, or NIIN 014203700, (psychrometer) was assigned October 16, 1995 in the Federal Logistics Information System (FLIS). NIIN 014203700 was cancelled on April 2, 2019, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 17, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 09725. [AN INSTRUMENT THAT SENSES, MEASURES, AND INDICATES THE AMOUNT OF RELATIVE HUMIDITY IN THE ATMOSPHERE. IT CONSISTS OF TWO LIQUID-IN-GLASS THERMOMETERS, ONE OF WHICH IS EQUIPPED WITH A WICK. AIR MOVEMENT (ASPIRATION) IS EFFECTED BY SLINGING THE INSTRUMENT ABOUT, BY USE OF BLOWER, FAN OR THE LIKE; OR THE INSTRUMENT MAY BE USED WITH NO FORCED CIRCULATION OF AIR.]. 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 6685014203700 does not contain precious metals.
This information was last updated on Aug 01, 2025.