National Stock Number
6640-00-110-1686
National Stock Number (NSN) 6640-00-110-1686, or NIIN 001101686, (test paper and color chart,hydrogen ion) was assigned August 2, 1968 in the Federal Logistics Information System (FLIS). NIIN 001101686 was cancelled on April 29, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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 assigned to Item Name Code (INC) 08038. [INC 08038 CANCELLED/REPLACED BY ,INC 50880, FIIG T149-A, APP-KEY AC , ON 092294 INC 08038 CANCELLED/REPLACED BY ,INC 50880, FIIG T149-A, APP-KEY AC , ON 092194 AN ITEM DESIGNED FOR DETERMINING HYDROGEN ION CONCENTRATION OF A LIQUID. INCLUDES CHEMICALLY TREATED SENSITIZED TEST PAPER(S) AND COLOR COMPARISON CHART(S). THE TREATED PAPER, AFTER IMMERSION AND COMPARISON WITH THE COLOR CHART, INDICATES HYDROGEN ION CONCENTRATION. EXCLUDES:LITMUS PAPER, ACS.]. 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 6640001101686 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.