National Stock Number
6640-00-314-6924
National Stock Number (NSN) 6640-00-314-6924, or NIIN 003146924, (test paper,hydrogen ion) was assigned November 7, 1973 in the Federal Logistics Information System (FLIS). 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18297. [A CHEMICALLY-TREATED TEST PAPER USED WITH A COLOR CHART TO DETERMINE BY COLOR COMPARISON THE PH VALUE OF A LIQUID/SOLUTION. FOR ITEMS INCLUDING A COLOR CHART, SEE TEST PAPER AND COLOR CHART,PH. EXCLUDES LITMUS PAPER.]. 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 6640003146924 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.