A-A-59005, COMMERCIAL ITEM DESCRIPTION: SEXTANT, MARINE (09 JUL 1996) [SUPERSEDING MIL-S-24656]
A-A-59005, COMMERCIAL ITEM DESCRIPTION: SEXTANT, MARINE (09 JUL 1996) [SUPERSEDING MIL-S-24656]., The General Services Administration has authorized the use of this
commercial item description as a replacement for MIL-S-24656 which is
canceled. This Commercial Item Description covers requirements for the Marine Sextant. The sextant is an endless tangent screw marine sextant for measuring the elevations (angular altitude) of celestial bodies above the terrestrial horizon.