South Bend Lathe 9″ & Light 10″ with Taper Attachment Cross Slide Screw Feed Nut PT486NK1

New Flat Top Cross Slide Nut for post-1939 South Bend 9″ Models A, B & C & 10K (Light 10) Lathes WITH taper attachment.

Will not fit pre-1939 machines according to the info I have

South Bend Part Number PT486NK1

ACME 7/16″ x 10 Left Hand Threads