600 gph media filter system; top layer, anthracite; size: number 2, 1.7 mm to 2.0 mm; uniformity: 1.60 max; specific gravity: 1.4 to 1.7; bulk density: 50 pounds per foot
Classification: Sands of all kinds, natural, whether or not colored, other than silica, quartz, or metal-bearing sands of chapter 26
NSN 6685-00-862-5431
NSN 5945-01-599-8450
NSN 6650-01-524-8171
NSN 6320-01-600-5808
NSN 5855-01-533-3888
NSN 5930-00-838-6805
NSN 6685-00-473-2423
NSN 6320-00-089-9426
NSN 5935-01-471-1581
NSN 5895-00-684-6879
NSN 5999-00-289-9878
NSN 5935-00-597-3610