1260 mm outside circumference
No other part numbers with same form, fit, and function found.
NSN 6240-01-263-0123
NSN 6135-01-286-9563
NSN 5925-00-253-0096
NSN 5935-01-441-8225
NSN 5965-00-834-6298
NSN 6145-01-356-8784
NSN 5855-00-185-1560
NSN 5960-01-428-7300
NSN 6685-01-634-0611
NSN 5895-01-327-3000
NSN 5945-00-313-6491
NSN 5990-00-686-5868