National Stock Number
6640-00-866-3268
National Stock Number (NSN) 6640-00-866-3268, or NIIN 008663268, (connector,tubing,branched) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 008663268 was cancelled on October 2, 2006, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 6640000638282, 6640000627653.
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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 37514. [A METALLIC/NONMETALLIC ITEM OF EITHER A T OR Y SHAPE USED IN MAKING THREE WAY CONNECTIONS WITH METALLIC/NONMETALLIC 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 6640008663268 does not contain precious metals.
This information was last updated on Aug 01, 2025.