National Stock Number
6630-01-397-6051
National Stock Number (NSN) 6630-01-397-6051, or NIIN 013976051, (comparator,color) was assigned October 14, 1994 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 Aug 08, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 26010. [AN INSTRUMENT USED TO DETERMINE HYDROGEN ION CONCENTRATION, RESIDUAL CHLORINE CONTENT, PHOSPHATE CONTENT AND/OR OTHER CHARACTERISTICS OF WATER BY VISUALLY COMPARING A SAMPLE, TO WHICH A SPECIFIED QUANTITY OF AN APPROPRIATE INDICATOR SOLUTION HAS BEEN ADDED, WITH A COLOR STANDARD. THE COLOR STANDARDS USED FOR THESE TESTS ARE MOUNTED IN A SUITABLE HOLDER AND GRADED TO REPRESENT THE INDICATOR COLORS FOR VARIOUS PH VALUES, CONCENTRATION OF CHLORINE, PHOSPHATE, OR OTHER SUBSTANCE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6630013976051 does not contain precious metals.
This information was last updated on Jul 01, 2025.