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 6320-00-519-0770
NSN 5945-00-197-7673
NSN 6645-00-905-7258
NSN 5895-01-106-3312
NSN 6110-01-534-3881
NSN 6220-00-548-1999
NSN 5985-00-056-9625
NSN 5930-01-310-4211
NSN 5905-01-401-5325
NSN 5910-01-164-2032
NSN 5905-00-956-6663
NSN 5905-00-729-5004