National Stock Number
6630-01-251-3765
National Stock Number (NSN) 6630-01-251-3765, or NIIN 012513765, (buffer solution,standard) was assigned March 19, 1987 in the Federal Logistics Information System (FLIS). NIIN 012513765 was cancelled on May 2, 2014, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 01, 2020, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33696. [A COMPOUND, FORMULATED TO A SPECIFIC PH VALUE THAT TENDS TO RESIST CHANGE IN PH WHEN MODERATE AMOUNTS OF EITHER A BASE OR ACID ARE ADDED, OR ON DILUTION WITH A SOLVENT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6630012513765 does not contain precious metals.
This information was last updated on Aug 01, 2025.