Description
The lens retainer spring (Finnigan #40005-20160), spring detent (Finnigan #40005-20220), ion volume spring (Finnigan #40005-20170) and solid inlet springs (Finnigan #10007-20030), for Finnigan 4500 & 4600's are manufactured by S.I.S. and made from tungsten wire. This gives them much more spring than those supplied by Finnigan.
Other Ceramic Insulators A variety of alumina insulators. Call for custom sizes
Ceramic Insulators for Thermo The following alumina insulators are currently available for the Thermo instruments.
Thermo/Finnigan 4500 Lens Castle Ceramic #40005-20060 and
#40005-20061.
Ceramic Washer Insulators A wide variety of alumina ceramic washers.
Ceramic Insulators for Fisons/VG Replacement insulators for your VG mass spec
Koby Fitting - KF2 Standard fillings on filters are 1/4" NPT.
Viton® Composition O-Rings O-Rings are available in five different materials from Scientific Instrument Services.
O Rings for VG Mass Spectrometers Viton® O-Rings in many sizes.
O Rings for Thermo/Finnigan Mass Specs all types and sizes of
O-Rings
Ceramic Insulators for Nermag MS Replacement insulators for Nermag.
Thermo/Finnigan Ion Trap Ceramic Insulators All insulators are constructed from high purity alumina
ceramic.




