National Stock Number
6645-00-290-2232
National Stock Number (NSN) 6645-00-290-2232, or NIIN 002902232, (case,chronometer,gimbal) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 18697. [A HARDWOOD CASE CONSISTING OF THREE SECTIONS. THE BOTTOM SECTION INCLUDES A PIVOTED METAL RING TO WHICH ARE AFFIXED TWO PIVOTS FOR RETAINING A CHRONOMETER AND A LOCK FOR IMMOBILIZING THE GIMBALS; THE MIDDLE SECTION CONTAINS A WINDOW FOR READING; THE TOP SECTION IS A LID. THE THREE SECTIONS SNAP TOGETHER WITH SPRING CATCHES. THIS CASE IS INTENDED TO KEEP A CHRONOMETER FITTED WITH PIVOT MOUNTINGS IN A LEVEL, DIAL-UP POSITION IF THE CASE IS SHIFTED OR TIPPED. IT IS NEVER USED AS A CASE FOR SHIPPING. EXCLUDES:CASE (2), MAKE-BREAK CIRCUIT CHRONOMETER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6645002902232 does not contain precious metals.
This information was last updated on Jul 01, 2025.