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304 Stainless Steel Retaining Washer, 2.40 in Bore, 0.18 in Thick, Pkg Qty 8

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Industrial · SKU: PA0590

304 Stainless Steel Retaining Washer, 2.40 in Bore, 0.18 in Thick, Pkg Qty 8

This 304 stainless steel retaining washer provides a durable, corrosion-resistant solution for high-pressure sealing applications. It features a 2.

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$99.99
$12.50/each(8 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$99.99
11 - 50-5%$94.99
51+-10%$89.99
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Quick Answer

How Buyers Should Evaluate 304 Stainless Steel Retaining Washer, 2.40 in Bore, 0.18 in Thick, Pkg Qty 8

This 304 stainless steel retaining washer provides a durable, corrosion-resistant solution for high-pressure sealing applications. It features a 2. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • System of Measurement: Metric
  • Material Grade/Class: 304
  • Material: Stainless Steel

Purchase Details

  • Online price starts at $99.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 8 / Each.
  • Lead time: 2-3 weeks.

Use RFQ When

  • Use RFQ when you need bulk pricing, alternate pack sizes, or multi-SKU comparison.
  • Request support when fit, material, or substitute selection needs confirmation before order.
  • Escalate to sourcing when timeline, freight, or stocking strategy matters more than one-off checkout speed.

Technical Specifications

System of MeasurementMetric
Material Grade/Class304
MaterialStainless Steel
Thread SizeN
FinishN
Shaft/Bore Diameter2.40 in
Thickness0.18 in
Product Details

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

Overview

The 304 Stainless Steel Retaining Washer is a precision-engineered sealing component designed for high-pressure and high-temperature industrial fluid systems. It serves as a critical element in flange connections, creating a reliable metal-to-metal seal that prevents leaks in demanding process environments. Its robust construction ensures long-term performance and integrity in applications ranging from chemical processing to power generation.

Key Features

Manufactured from corrosion-resistant 304 stainless steel for durability Engineered to meet industry standard HG/T20610-2009 for dimensional consistency Features a spiral wound design with inner and outer retaining rings for structural stability The graphite filler material provides excellent sealing and thermal adaptability Designed for a precise fit and secure installation in standard flange assemblies

Specifications

Material Construction: 304 Stainless Steel Inner Ring, 304 Stainless Steel Outer Ring, Graphite Filler, 304 Stainless Steel Windings Standard: HG/T20610-2009 Nominal Pipe Size: DN50 Pressure Class: PN25 Style Code: D2222 Inside Diameter: 2.40 inches Outside Diameter: 4.21 inches Overall Thickness: 0.18 inches System of Measurement: Metric (Imperial dimensions provided) Finish: Standard mill finish Package Quantity: 8 washers

Applications

Sealing flange connections in chemical and petrochemical processing plants High-pressure piping systems in oil and gas production and refining Steam lines and boiler feed systems in power generation facilities General industrial piping requiring a robust, reusable sealing solution

Frequently Asked Questions

What are the key specifications and dimensions of this retaining washer?
This is a 304 stainless steel retaining washer with a bore diameter of 2.40 inches and a thickness of 0.18 inches. It conforms to the HG/T20610-2009 standard and is designed for DN50 PN25 flange connections.
What are the typical applications or use cases for this specific washer?
This metal wound gasket is designed for high-pressure sealing in piping systems, specifically for flanges rated at 25 bar (approximately 363 PSI). Its 304 stainless steel and graphite construction makes it suitable for a wide range of industrial fluids and temperatures up to approximately 900°F, depending on the specific media.
How is this product packaged for order, and what is the minimum quantity?
This retaining washer is sold in a package quantity of 8 pieces. The product listing is for one full package containing 8 identical washers, ensuring you have sufficient quantity for standard replacement or assembly jobs.