A flat metal ring with provisions for attaching nuts in predetermined spacing. for ring with nuts assembled see nut assembly,retainer ring.
NSN 5835-01-100-3265
NSN 6110-01-448-9646
NSN 6685-00-236-4443
NSN 6130-01-260-9519
NSN 6320-00-676-9387
NSN 5950-01-396-4972
NSN 6610-01-055-4147
NSN 5965-01-633-8849
NSN 5965-01-415-1210
NSN 5835-00-890-3932
NSN 6135-01-312-1040
NSN 5990-01-348-9829