Washers in Stock
Nylon Stock
PTFE Stock
Fibre Stock
Neoprene Stock
MS Stock
NAS Stock
Sub-menu 1.2.1.1

Custom Insulators, Seals, Diaphragms, Discs, Spacers and Washers for:

Temperature, Pressure, Timing & Measuring

Controls - Switches - Gauges – Sensors

Measuring and Controlling Device Parts Manufacturers




The I.G. Marston Co., Inc. is a USA manufacturing company located outside of Boston producing non-metallic insulators, discs, spacers, seals, diaphragms, gaskets and washers for a variety of sealing applications and industries. These include uses in OEM client devices that require temperature control, low and high pressure readings, hazardous location needs, sensor conductor applications, transmitters, general purpose and electronic gauge uses. Whether you are a measuring and controlling device manufacturer, or a distributor seeking a valued supplier for custom manufactured products, this is one of our niche markets. We have a growing customer base of controls, sensors, switches and gauge clients, sending us their drawings or samples for prompt quotations and production of insulators, diaphragms etc.

Through modern manufacturing methods, equipment (Die cut, Stamping and CAD/CAM machinery) and tooling, we are able to produce several insulators, diaphragms, discs and seals, or thousands depending on one’s requirements. A variety of popular materials are maintained on hand for quick turnaround times. Materials include but are not limited to: Mylar, Nylon, Foams, Viton, Nitrile/Nylons and Polyesters.