National Stock Number (NSN) 6640-00-438-2100, or NIIN 004382100, (plate,spot test) 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, 6640004943722.
There are 10 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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 has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 28 contracts issued for this part number, with 28 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE2DS25V5210, SPE2DS25P0153, SPE2DS23V4888, SPE2DS23V4888, SPE2DH23P0810. The total value of the awarded contracts has been US$ 1,449.57.
This NSN is very common among different weapons systems, belonging to 30 different platforms.
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 Jun 13, 2009, 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) 17206. [A FLAT, RELATIVELY THIN ITEM WITH SEVERAL SMALL DEPRESSIONS, WELLS, OR CAVITIES THAT MAKES IT POSSIBLE TO OBSERVE/STUDY REACTIONS, SUCH AS THE FORMATION OF A PRECIPITATE/SOLID, A COLOR CHANGE, OR THE LIKE, USING SMALL AMOUNTS OF CHEMICALS.]. 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 6640004382100 does not contain precious metals.
This NSN is associated to Schedule B 9018908000: other instruments and appliances used in medical, surgical, dental or veterinary sciences, nesoi. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.
This information was last updated on Aug 01, 2025.