The ring has a diameter of 1.2500 inches
NSN 6110-01-423-8880
NSN 6150-01-319-1941
NSN 5855-00-411-8688
NSN 6135-00-276-7625
NSN 6320-00-213-0477
NSN 6110-00-216-6911
NSN 5905-00-442-9587
NSN 6110-01-302-5215
NSN 6105-00-510-2514
NSN 6685-00-933-7911
NSN 6105-01-634-0322
NSN 6110-00-148-8536