6630-01-069-6527 (MARK)
NSN 6630-01-069-6527 (NIIN 01-069-6527) is a water quality analyzer in Federal Supply Class 6630, Chemical Analysis Instruments. Manufacturer part number MARK; also referenced as 166, MARK 5, MK 5 (Martek Instruments Inc).
NIIN assigned December 1978; DEMIL A (none required).