APPROVED VENDOR Bonded Sealing Washer: M4 Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.147 in Inside Dia
The APPROVED VENDOR Bonded Sealing Washer (SKU 880F12, MPN ZMBSW-28) is a zinc-plated steel sealing washer with a Buna-N seal, designed for M4 screw sizes and use without a nut. It features a 0.147 in inside…
SKU 3G-OTH-533176
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Product Description
The APPROVED VENDOR Bonded Sealing Washer (SKU 880F12, MPN ZMBSW-28) is a zinc-plated steel sealing washer with a Buna-N seal, designed for M4 screw sizes and use without a nut. It features a 0.147 in inside diameter, is metal and X-ray detectable, and comes in a 10-pack. This product is not FDA approved.
Frequently Asked Questions
What is an APPROVED VENDOR bonded sealing washer used for?
An APPROVED VENDOR bonded sealing washer (MPN ZMBSW-28) seals M4 screw connections without a nut, preventing leaks in pneumatic, hydraulic, and fluid-handling systems. The Buna-N seal resists oils and water, while the zinc-plated steel body provides corrosion resistance. It is metal and X-ray detectable for quality control in food processing environments.
What are the specifications of the APPROVED VENDOR ZMBSW-28 sealing washer?
The APPROVED VENDOR ZMBSW-28 bonded sealing washer fits M4 screw sizes, has a 0.147 in inside diameter, and uses a Buna-N seal with a black color. It is made of zinc-plated steel, is metal and X-ray detectable, and comes in a 10-pack. It is not FDA approved and is designed for use without a nut.
Where to buy APPROVED VENDOR bonded sealing washers worldwide?
3G Electric supplies APPROVED VENDOR bonded sealing washers (MPN ZMBSW-28) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 10-pack of M4 zinc-plated steel washers with Buna-N seals.
How to install an APPROVED VENDOR bonded sealing washer?
To install an APPROVED VENDOR bonded sealing washer (ZMBSW-28), place it over the M4 screw with the rubber seal facing the joint surface. Tighten the screw to the manufacturer's recommended torque for the application. The bonded design eliminates the need for a separate nut, creating a leak-proof seal in fluid or pneumatic systems.
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3G Electric supplies APPROVED VENDOR sealing washers with rubber-bonded inner diameter. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









