Ferrotec's Metric Feedthrough Model Numbers

S M L – 004 – N N Metric
Shaft Mounting Fluid – Shaft Diameter Cooling / Clamp Bearings  

Note: Although codes exist for many options, not all combinations of options are available.

Shaft type

S
Solid Shaft
H
Hollow Shaft

Shaft Diameter

004
sizes displayed in millimeters

Mounting

F
flange
M
mini-flange
N
nut
S
screw
T
sleeve

Cooling / Clamp

C
clamp
M
water cooling and clamp
N
no water cooling, no clamp
W
water cooling

Fluid

F
fluorocarbon based (reactive gasses)
L
standard hydrocarbon

Bearing configuration

C
both on atmosphere side
H
heavy duty
N
standard (vacuum and atmosphere sides)