Hybrid open ring, 210 mm
NSN 5920-01-426-8517
NSN 5960-00-415-1797
NSN 5910-01-350-3639
NSN 6685-01-604-4054
NSN 5960-00-970-7960
NSN 6620-00-714-6966
NSN 7035-00-631-3782
NSN 6650-01-099-8618
NSN 5855-00-797-8217
NSN 6620-00-313-9237
NSN 6610-01-010-4516
NSN 5985-01-606-3984