National Stock Number
6640-00-859-2028
National Stock Number (NSN) 6640-00-859-2028, or NIIN 008592028, (clamp,spherical ground joint,lab) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 23190. [A DEVICE DESIGNED TO HOLD THE BALL AND SOCKET MEMBERS OF LABORATORY GLASSWARE SPHERICAL GROUND JOINTS IN A DEFINITE POSITION WITH REFERENCE TO EACH OTHER. IT IS AFFIXED DIRECTLY TO THE JOINT AND ITS COMPRESSION ACTION IS DERIVED FROM A SPRING AND/OR SCREW LOCKING DEVICE. EXCLUDES:CLAMP, RIM CLENCHING.]. 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 6640008592028 contains an unknown precious metal.
This NSN is associated to Schedule B 7403210000: unwrought copper-zinc based alloys (brass). The Schedule B End Use is listed as copper.
This information was last updated on Aug 01, 2025.