National Stock Number (NSN) 6640-00-159-2506, or NIIN 001592506, (rack,test tube,laboratory) was assigned July 30, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 87 contracts issued for this part number, with 88 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 10 different suppliers. The last contract numbers awarded were: SPE2DS25F0064, SPE2DH25V2051, SPE2DH25V1547, SPE2DH25V1297, SPE2DH25V1297. The total value of the awarded contracts has been US$ 5,013.27.
This NSN is fairly common among different weapons systems, belonging to 17 different platforms.
This national stock number is in high demand. 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 Dec 02, 2006, 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) 17078. [A DEVICE USED TO HOLD SEVERAL TEST TUBES UPRIGHT WHEN WAITING FOR A CHEMICAL REACTION OR WHEN TEST TUBES ARE NOT IN USE. EXCLUDES:RACK, COMPARISON TEST TUBE, LABORATORY.]. 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 6640001592506 does not contain precious metals.
This NSN is associated to Schedule B 9402900020: medical, surgical, dental or veterinary furniture, nesoi. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 337127: institutional furniture manufacturing.
This information was last updated on Jul 01, 2025.