Hybrid open ring, 210 mm
NSN 2925-01-236-3547
NSN 6105-00-139-5244
NSN 5950-00-833-8386
NSN 7035-01-432-1163
NSN 6645-01-463-3441
NSN 6135-01-551-0562
NSN 5985-00-181-0631
NSN 6240-00-403-4861
NSN 5895-01-270-8004
NSN 6105-00-262-6843
NSN 4140-01-411-6666
NSN 6320-01-326-1316