National Stock Number (NSN) 6685-01-152-0668, or NIIN 011520668, (indicator,humidity,card) was assigned April 27, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 9330011449521.
There are 4 manufacturer part numbers associated with this NSN. 3 of those 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 28, 2018. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A618PD124, SPE4A618P5326, SPE4A618P5326, SPE4A418V0599, SPE4A415V8956. The total value of the awarded contracts has been US$ 25,066.07.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 13474. [AN ITEM WHICH USES THE CHANGING COLOR OF A DESICCANT IN THE PRESENCE OF MOISTURE TO INDICATE HUMIDITY. A NUMBER OF DESICCANTS ARE APPLIED IN THE FORM OF SQUARES, CIRCLES AND THE LIKE, TO ABSORBENT PAPER. EACH DESICCANT SPOT IS GENERALLY LABELED WITH A RELATIVE HUMIDITY VALUE IN PERCENTAGE, AN INSTRUCTION, OR SOME OTHER APPROPRIATE LEGEND.]. 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 6685011520668 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 Jul 01, 2025.