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.
Spring for Finnigan MAT MS | ||||
Part No. | Description | Quantity In Stock |
Price EA |
Order |
---|---|---|---|---|
LRS1 | Lens Retainer Spring (Finnigan #40005-20160) | DISCONTINUED | --- | --- |
SPRDT | Spring Detent (Finnigan #40005-20220) | DISCONTINUED | --- | --- |
FP8 | Solids Inlet Spring (Finnigan #10007-20030) | DISCONTINUED | --- | --- |
FP9 | Ion Volume Spring (Finnigan #40005-20170) | 0†Standard lead-time for non-stock items is approximately two weeks depending on the item. | CALL | |
* Call for availability. † Standard lead-time for non-stock items is approximately two weeks depending on the item. | ||||
![]() |

O-Rings are available in five different materials from Scientific Instrument Services.

Standard size coils are used on several mass spectrometer heaters repaired by S.I.S.

A wide variety of alumina ceramic washers.

The following alumina insulators are currently available for the Thermo instruments.

Alumina ceramics for the Incos 50 Source.

Standard fillings on filters are 1/4" NPT.

Replacement insulators for Nermag.