Hybrid open ring, 150 mm
NSN 5985-01-256-6961
NSN 5990-01-487-0871
NSN 7035-01-406-5232
NSN 7035-01-242-6496
NSN 5935-01-521-1770
NSN 6130-00-171-7400
NSN 6650-00-590-9073
NSN 5950-01-056-5157
NSN 5930-01-169-5301
NSN 5990-01-542-4212
NSN 6110-00-998-4810
NSN 6240-01-139-3377