Whenever I Need servo information, No Matter the make, I go to
WWW.Servodatabase.com they have information listings for just about every servo that has ever been made!!
here are the listings for the servos you mentioned..
[TABLE="width: 1"]
[TR="class: even, bgcolor: #CCDDFF"]
[TD]Airtronics[/TD]
[TD]
94831Z[/TD]
[TD]Analog[/TD]
[TD="class: nowrap"]1.09 oz
(30.9 g)[/TD]
[TD="class: nowrap"]1.46×0.71×1.18 in
(37.1×18.0×30.0 mm)[/TD]
[TD="class: nowrap"][h=3]4.8V:[/h] 49.0 oz-in
(3.5 kg-cm)
[h=3]6.0V:[/h] 61.0 oz-in
(4.4 kg-cm)
[/TD]
[TD="class: nowrap"][h=3]4.8V:[/h] 0.20 sec/60°
[h=3]6.0V:[/h] 0.16 sec/60°
[/TD]
[TD]5-pole[/TD]
[TD]Single Bearing[/TD]
[TD]Hybrid[/TD]
[TD="class: price, align: right"]$32.95[/TD]
[TD="class: last, align: center"]
[/TD]
[/TR]
[/TABLE]
the 94631 wasn't listed on the database, but a quick internet search yielded the following info:
#94631 Airtronics Heavy Duty Standard Servo "great for off road cars, 1.5" long, .75" wide and 1.5" high. 48 oz/inches torque
Hope this helps..
Craig.