jimzcatz Boss, Carolina Rocket Mafia Joined Jan 22, 2009 Messages 4,109 Reaction score 301 Location Hurdle Mills NC Mar 25, 2017 #1 Does anyone know the part numbers for the 54 and 75mm external spiral thrust rings from McMaster?
patelldp Well-Known Member Joined Jan 23, 2009 Messages 5,647 Reaction score 86 Mar 25, 2017 #2 38mm: 91665A510 54mm: 91665A560 76mm: 91665A630
D djs Well-Known Member Joined Jul 27, 2014 Messages 3,367 Reaction score 250 Mar 25, 2017 #3 I got 2-3 spare 54 if anyone wants them. Free if you pm me your address
D djs Well-Known Member Joined Jul 27, 2014 Messages 3,367 Reaction score 250 Mar 25, 2017 #4 Also a general note- I don't know about the 75mm ones, but the 54s have to be ground down a little bit to fit in an aeropack retainer
Also a general note- I don't know about the 75mm ones, but the 54s have to be ground down a little bit to fit in an aeropack retainer