About Seastrom Washers


Seastrom Manufacturing Co., Inc. is a worldwide leader in the manufacturing of standard and custom assembly hardware for the Aerospace, Telecommunications and OEM markets. Founded in 1928 and located in Glendale, California, until 1943. The company re-located to Twin Falls, Idaho after being in Glendale for 66 years. Beginning as a job shop for the aerospace industry, Seastrom understands the importance of producing quality custom and standard parts.

They have earned the distinction as an approved supplier for most major aerospace and commercial manufacturers. This comes as a result of successfully providing quality products and unmatched service industry-wide for decades.

Seastrom is a full service manufacturer and offers an extensive range of value-added services not commonly offered by other manufacturers. Beyond stocking the most extensive inventory of assembly hardware in the industry, Seastrom offers a complete design and engineering department with multiple forms of production to accommodate specialty orders per their customer’s specifications.

Customers can find immediate price, delivery and stock quantities on over 50,000 stock standard catalog parts on their website, seastrom-mfg.com and their new website seastromwashers.com. Orders for stock standard parts are shipped within 48 hours.

Seastrom emphasizes systems integration, quality engineering, high-speed production, facility-wide networking and strict project control to promote product quality, project safety and conformance to technical standards. Producing over 20 million custom and standard parts every month and utilizing over 25 different materials, Seastrom specializes in extensive die and material changes to meet the wide variety of customer orders. Seastrom's reputation for quality workmanship assures each customer that their product needs will be met.

Utilizing fully staffed engineering, die design and tooling departments, Seastrom uses the latest CAD/CAM software to produce and maintain high quality tooling in-house.

The quality of materials used to manufacture Seastrom parts is vital to maintaining quality products. They use a wide variety of metallic and non-metallic materials to manufacture both standard and custom parts.

Seastrom maintains a large raw material inventory greatly reducing lead times for finished products. A carefully designed inventory control system requires that each material is thoroughly inspected by the Quality Department to assure its certification accuracy.

Quality maintains complete lot traceability, offers material and product testing, process certification and first article qualification and inspection. Every job that runs through Seastrom's plant is shipped only after complete final product inspection has been performed.

Seastrom specializes in offering the widest selection of washers available anywhere from stock. Sizes range from .05 to 4 inches O.D. in any .005 increment.

They are able to stand behind this huge offering of products because of their vast inventory of tooling, which allows them to immediately manufacture their catalog products. Seastrom's rejection rate averages less than one percent, giving them the ability to deliver virtually defect free product to their customers.

As their customers' product requirements expand and change, so does Seastrom's product line. Seastrom Manufacturing continually strives to provide their customers with an ever increasing variety of quality products.