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APPROVED VENDORSingle-Piece Sealing Washers

APPROVED VENDOR Sealing Washer: M20 Screw Sz, Copper, Copper Seal, 20 mm Inside Dia, 26 mm Outside Dia

The APPROVED VENDOR Sealing Washer (SKU 54FP78) is a metric, single-piece copper sealing washer for M20 screw sizes, with a 20 mm inside diameter and 26 mm outside diameter, supplied in a 25-pack. This copper seal…

SKU 3G-OTH-534568

Brand
APPROVED VENDOR
Item
Sealing Washer: M20 Screw Sz, Copper, Copper Seal, 20 mm Inside Dia, 26 mm Outside Dia
Category
Single-Piece Sealing Washers
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
M50301.200.0026
Type
Copper, Copper Seal, 25 PK
Pack Size
Small Pack
Inside Dia
20 mm
Outside Dia
26 mm
Product Type
Sealing Washer
Seal Material
Copper
System of Measurement
Metric
View Full Spec Sheet

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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Sealing Washer (SKU 54FP78) is a metric, single-piece copper sealing washer for M20 screw sizes, with a 20 mm inside diameter and 26 mm outside diameter, supplied in a 25-pack. This copper seal washer provides a reliable, deformable seal for industrial fluid and gas connections, supporting your sourcing needs across 14 industrial departments — and we supply far more than is listed. Our specialist depth in combustion, pumps and controls (as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke) ensures you get the right answer, not just a catalog.

Frequently Asked Questions

What is an APPROVED VENDOR M20 copper sealing washer used for?

This copper sealing washer is used to create a leak-proof seal in metric M20 threaded connections for industrial fluid and gas systems. It deforms under compression to fill gaps, preventing leaks in hydraulic, pneumatic, and plumbing applications across 14 industrial departments — and we supply far more than is listed.

What are the specifications of the APPROVED VENDOR sealing washer 54FP78?

The APPROVED VENDOR sealing washer (MPN M50301.200.0026) is metric, with a 20 mm inside diameter and 26 mm outside diameter, made of copper. It fits M20 screw sizes and comes in a 25-pack small pack. Copper provides reliable deformation for sealing in fluid and gas connections.

Where to buy APPROVED VENDOR sealing washers worldwide?

3G Electric supplies the APPROVED VENDOR sealing washer 54FP78 worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this copper seal washer to support your maintenance and production needs across 14 industrial departments — and we supply far more than is listed.

How to install a copper sealing washer for M20 connections?

Place the copper sealing washer squarely over the male thread before tightening the fitting. Tighten to the manufacturer's recommended torque to allow the copper to deform and create a seal. Avoid over-tightening, which can damage the washer or connection. Replace with a new washer each time the joint is disturbed.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR single-piece sealing washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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