National Stock Number
6630-00-290-6685
National Stock Number (NSN) 6630-00-290-6685, or NIIN 002906685, (buffer solution,standard) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6630009739004.
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, one supplier is 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 6 contracts issued for this part number, with 6 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE2DH21V0947, SPE2DH21V0191, SPE2DH21V0172, SPE2DH20V2207, SPE2DH20V1431. The total value of the awarded contracts has been US$ 736.86.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 25, 2008, 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 6630002906685 does not contain precious metals.
This NSN is associated to Schedule B 9027505000: other chemical analysis instruments and apparatus, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Aug 01, 2025.