National Stock Number
6640-00-403-1000
National Stock Number (NSN) 6640-00-403-1000, or NIIN 004031000, (bead,laboratory) was assigned January 1, 1963 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. One 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE2DH22P1330, SPM2DH11M1636. The total value of the awarded contracts has been US$ 952.90.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been very little 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 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) 17210. [SMOOTH ROUNDED SHAPE ITEMS DESIGNED TO REPLACE WATER, ICE, OIL OR SAND IN LABORATORY BATHS WHICH WILL CONFORM AND SUPPORT TO MANY SIZES AND SHAPES OF VESSELS PLACED WITHIN THE BATH. THEY PREVENT DISTORTED DATA AND DANGERS RESULTING FROM INACCURATE TEMPERATURES, EVAPORATED LAB WATER BATHS, AND WATER-EXPOSED CONTAMINATED SAMPLES. THEY ARE MORE RESISTANT TO MICROBIAL GROWTH THAN WATER WHILE THERMALLY HEATING OR COOLING VESSELS IN A CONSTANT AND STABLE ENVIRONMENT TO HELP DECREASE THE SPREADING OF MICROBIAL CONTAMINATION THROUGHOUT THE LAB AND TO PERSONNEL.]. 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 6640004031000 does not contain precious metals.
This NSN is associated to Schedule B 7017100000: laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated, of fused quartz or other fused silica. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 327212: other pressed and blown glass and glassware manufacturing.
This information was last updated on Aug 01, 2025.