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304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12

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Unbranded · SKU: AE0253452

304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12

This 304 stainless steel retaining washer is designed for high-pressure sealing applications up to 1,440 PSI. It features a 3.39-inch bore diameter, a robust 0.18-inch thickness, and a metal-wound construction with a graphite filler for reliable performance in demanding environments. The external ring provides enhanced stability and prevents gasket blow-out. Each package contains 12 units for project efficiency.

2-3 weeks
$69.99($5.83/each)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$69.99 / each
10 - 49-5%$66.49 / each
50+-10%$62.99 / each
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Technical Specifications

System of MeasurementMetric
Material Grade/Class304
MaterialStainless Steel
Thread SizeN
FinishN
Shaft/Bore Diameter3.39 in
Thickness0.18 in

Product Description

Overview

The 304 Stainless Steel Retaining Washer is a precision-engineered, spiral-wound gasket designed for creating robust, leak-tight seals in high-pressure and high-temperature piping systems. Its metal-wound construction with a graphite filler provides exceptional resilience and sealing force, making it a critical component for maintaining system integrity in demanding industrial environments. This specific configuration includes an external centering ring for added stability and ease of installation.

Key Features

Constructed from corrosion-resistant 304 stainless steel for durability. Spiral-wound design with flexible graphite filler for superior sealability. External centering ring ensures proper alignment and prevents gasket blow-out. Engineered to withstand extreme pressure differentials and thermal cycling. Suitable for sealing on raised face flanges in standardized applications.

Specifications

Material Grade/Class: 304

Material

Stainless Steel Shaft/Bore Diameter: 3.39 inches Thickness: 0.18 inches Finish: Standard mill finish System of Measurement: Metric (dimensions converted to Imperial) Thread Size: Not applicable Package Quantity: 12 washers

Applications

Ideal for use in chemical and petrochemical processing plants. Suitable for power generation facilities, including steam lines. Applicable in oil and gas pipeline and refinery systems. Used in industrial heating, ventilation, and high-temperature plumbing. Designed for flange connections in pumps, valves, and heat exchangers.

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Frequently Asked Questions

What are the key specifications of 304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12?
Key specifications for 304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12: System of Measurement: Metric, Material Grade/Class: 304, Material: Stainless Steel. See the full specification table on this page for complete details. If you need help confirming whether this product fits your application, use our AI Sourcing Assistant or submit an RFQ with your requirements.
What is the minimum order quantity and bulk pricing for 304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12?
The minimum order quantity is 1 unit(s). Unit price starts at $69.99. Volume discounts are available — see the tiered pricing table on this page for exact breakpoints. For quantities beyond what is listed, or for custom pricing on recurring orders, submit an RFQ and our team will respond within 24 hours.
What is the lead time and availability for 304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12?
This product is currently in stock and ships within 1-2 business days. Estimated lead time: 2-3 weeks. For bulk orders, lead times may vary based on quantity — request a quote for a confirmed delivery date. We can also arrange scheduled recurring shipments to prevent stockouts.
How do I get a custom quote for 304 Stainless Steel Retaining Washer, 3.39 in Bore, 0.18 in Thick, Pkg Qty 12?
Click the "Request a Quote" button on this page or visit our RFQ form. Include your required quantity, delivery location, and any special requirements (specific certifications, custom packaging, recurring delivery schedule). Our sourcing team typically responds within 24 hours with pricing, confirmed lead time, and shipping options.