Frequently Asked Questions

Brewster Washers was founded in 1919 and has been manufacturing precision custom washers, shims, and discs for over 100 years. The company remains family-owned and operated, now led by fifth-generation owners Brielle Freda Seminerio (President) and Tom Freda (Vice President).

We are based in Fairfield, New Jersey, and serve customers across the United States.

Yes. Brewster Washers is a Small Women-Owned Business (SWOB), currently led by President Brielle Freda Seminerio.

We produce completely custom precision washers, shims, discs, and spacers. We do not manufacture from a standard catalog. Your blueprint is our catalog, meaning every part we produce is built to your exact specifications.

We work with a wide range of materials, including stainless steel, aluminum, brass, copper, phosphor bronze, beryllium copper, and various plastics. Contact us to discuss whether your required material is within our capabilities.

We specialize in ultra-thin parts, with thickness capabilities starting at .0005″. Our advanced equipment also allows us to produce parts beyond standard thickness ranges for applications that require it. Our tight tolerance capabilities are a core part of what sets us apart from catalog manufacturers.

Yes. Because we work entirely from customer-supplied blueprints, we are not limited to standard washer geometries. We regularly produce parts to custom specifications for aerospace, defense, medical, automotive, and other industries.

Yes. Whether you need a single prototype, a sample lot, or full production quantities, we can accommodate your project. We will work with you to determine the right run type and get you on our production schedule.

Yes. We are AS9100:2016 and ISO 9001:2015 certified. These certifications reflect our commitment to the quality control, documentation, and traceability standards required by the aerospace and defense industries.

Yes. Brewster Washers is ITAR certified, making us a qualified supplier for government contracts and defense programs.

Yes. Our materials are sourced to meet DFARS compliance requirements, supporting our customers’ domestic sourcing and defense contract obligations.

Yes. We provide documentation to support your traceability and audit requirements. Reach out to discuss your specific documentation needs before placing an order.

Yes. We understand that your blueprints may contain proprietary information. We will sign any required NDAs before reviewing your designs or providing a quote.

1. Send your blueprint. We don’t work from a catalog. Submit your design, and we’ll review it against our capabilities.
2. Receive a quote. We respond to RFQs within 24 to 48 hours.
3. Start production. Once you accept the quote, we’ll put you on our production schedule and communicate timelines clearly.

No. We do not charge a tooling fee for custom parts. Once we have produced tooling for your part, we store it for future orders so you can reorder efficiently.

We offer flexibility on order quantities, including small sample runs and single-piece prototyping. Contact us to discuss your specific volume requirements.

We typically respond to RFQs within 24 to 48 hours. We know production timelines are tight, and we prioritize getting you accurate information quickly.

Once you accept your quote, we will add your order to our production schedule and provide clear lead times. We communicate throughout the process so you always know where your order stands.

Contact us directly to discuss your timeline requirements. We understand the urgency that aerospace, defense, and government programs operate under and will work to accommodate your needs wherever possible.

Yes. We retain your tooling and dies after your initial order so that future production runs can begin without delay or additional tooling costs.

We serve a broad range of industries, including aerospace, defense, automotive, electric vehicle manufacturing, medical devices, electronics, and general consumer goods. Our AS9100 and ITAR certifications make us a trusted supplier for highly regulated industries.

Email us your blueprint or submit your project details through our Request a Quote page to begin the process. We will review your design, sign any required NDAs, and respond with a quote within 24 to 48 hours. You can also call us directly to discuss your project.

Send us your blueprint or technical drawing along with any relevant specifications, material requirements, tolerance requirements, and target quantities. The more detail you can provide, the more accurate and complete our response will be.