National Stock Number
6660-00-876-4638
National Stock Number (NSN) 6660-00-876-4638, or NIIN 008764638, (waveguide) was assigned November 6, 1967 in the Federal Logistics Information System (FLIS). NIIN 008764638 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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, 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.
This NSN is assigned to Item Name Code (INC) 00510. [AN ITEM CONSISTING OF A HOLLOW TUBE OF CONDUCTIVE MATERIAL HAVING A PREDETERMINED CROSS SECTION SPECIFICALLY DESIGNED TO GUIDE OR CONDUCT HIGH FREQUENCY ELECTROMAGNETIC ENERGY THROUGH ITS INTERIOR. DOES NOT INCLUDE COAXIAL CABLE. REFERS TO BULK QUANTITIES ONLY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6660008764638 does not contain precious metals.
This information was last updated on Aug 01, 2025.