National Stock Number (NSN) 6640-00-417-7000, or NIIN 004177000, (clamp,utility,laboratory) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004177000 was cancelled on March 2, 2017, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6640005267989. This NSN replaces 1 stock number, 6640009828207.
There are 3 manufacturer part numbers associated with this NSN. One of those 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 19, 2012. There have been 3 contracts issued for this part number, with 3 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: SPM2DH13V0133, SPM2DH12V0907, SPM2DH12M1238. The total value of the awarded contracts has been US$ 205.63.
This NSN is somewhat common among different platforms, belonging to 3 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 01, 2020, 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) 21996. [A CLAMP CONSISTING OF ONE TO TWO SETS OF JAWS FOR SUPPORTING AND STABILIZING LABORATORY VESSELS, SUCH AS TEST TUBE, BURETTE, CONDENSER, AND THE LIKE, DURING ANALYSIS. IT CAN BE INSERTED INTO A CLAMP,LABORATORY SUPPORT ROD TO BE ATTACHED TO A SUPPORT ROD. IT MAY BE A TWO- OR THREE-PRONG EXTENSION CLAMP. EXCLUDES:CLAMP,TUBING.]. 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 6640004177000 does not contain precious metals.
This information was last updated on Aug 01, 2025.