National Stock Number
6640-01-249-4500
National Stock Number (NSN) 6640-01-249-4500, or NIIN 012494500, (test paper and color chart,hydrogen ion) was assigned February 11, 1987 in the Federal Logistics Information System (FLIS). NIIN 012494500 was cancelled on May 1, 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 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, only one supplier is 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 6640012494500 does not contain precious metals.
This information was last updated on Aug 01, 2025.