99901-4000 EXPN JOINT RETAINING RING ; A-36 STEEL 40"ID 50.75OD STD 150# ANSI

99901-4800 EXPN JOINT RETAINING RING ; A-36 STEEL 48"ID 59.5OD STD 150# ANSI

99905-4200 EXPN JOINT RETAINING RING ; A-36 STEEL 42"ID 53"OD STD 150# ANSI

99905-2800 EXPN JOINT RETAINING RING ; A-36 STEEL 28"ID 36.5OD STD 150# ANSI

99905-3400 EXPN JOINT RETAINING RING ; A-36 STEEL 34"ID 43.75OD STD 150# ANSI