Media type: gravel; effective size: .25 x .50 inch
Classification: Pebbles & gravel
NSN 5975-01-607-6408
NSN 5930-00-900-5460
NSN 6620-00-126-5072
NSN 6650-01-170-4397
NSN 5905-01-628-5243
NSN 5915-00-594-3968
NSN 6145-00-633-0780
NSN 5835-01-189-6095
NSN 5930-01-382-7640
NSN 6610-01-416-8384
NSN 5950-00-997-8958
NSN 5925-01-533-3385