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 5905-01-377-1137
NSN 5935-00-056-0983
NSN 5965-01-032-9146
NSN 5990-01-400-3299
NSN 6130-00-069-5330
NSN 6320-00-937-5625
NSN 5960-01-167-8796
NSN 5935-00-733-5918
NSN 5996-00-186-8709
NSN 6150-01-483-2887
NSN 6650-01-568-5750
NSN 6110-01-493-4402