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 6130-00-108-4695
NSN 5930-00-151-4787
NSN 6620-00-451-1460
NSN 5990-01-414-7618
NSN 5985-01-401-5387
NSN 2925-00-526-4541
NSN 5910-00-225-0370
NSN 6130-01-519-3941
NSN 6240-00-187-4306
NSN 5835-01-581-1957
NSN 6240-01-325-0898
NSN 5985-01-222-8462