National Stock Number
6640-01-631-5857
National Stock Number (NSN) 6640-01-631-5857, or NIIN 016315857, (rack,tip,pipet) was assigned September 18, 2014 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers 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. 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 42 contracts issued for this part number, with 39 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE2DH24V3384, SPE2DH24V2415, SPE2DH24V0910, SPE2DH23V2382, SPE2DH23V1993. The total value of the awarded contracts has been US$ 2,908.94.
There has been a moderate 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 Sep 25, 2014, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 36929. 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 6640016315857 does not contain precious metals.
This NSN is associated to Schedule B 3926909910: laboratory ware. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 326199: all other plastics product manufacturing.
This information was last updated on Aug 01, 2025.