Media type: gravel; effective size: .25 x .50 inch
Classification: Pebbles & gravel
NSN 6220-00-763-4131
NSN 2925-01-274-8576
NSN 5965-00-529-0602
NSN 5855-01-358-5253
NSN 5998-01-126-9912
NSN 5975-00-852-9046
NSN 4140-00-385-2925
NSN 5996-00-170-8060
NSN 6135-00-078-9931
NSN 5910-00-559-1138
NSN 5920-00-165-9160
NSN 6650-01-549-4383