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Washers › Bonded, Sealing & Roofing Washers

12 PCS Solid Nitrile Rubber Flat Washer DN20 2-19/32″ Od X 2″ ID X 1/4″ Thickness Large Washers O Ring Sealing Gaskets, Industrial Flat Rubber Spacer, Bl

Updated 2026-11-04 · Markdown version

Model no. 2\" x 2 19/32\" x 1/4\"

US$22.79100–999 pieces

US$21.651,000–2,999 pieces

US$20.513,000–4,999 pieces

US$19.375,000–9,999 pieces

US$18.2310,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Material: NBR
Standard: Standard
Color: Black
Package Size: 30.00cm * 20.00cm * 12.00cm

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	NBR
Application	Bearing
Model NO.	2\" x 2 19/32\" x 1/4\"
Type	Shaft Seal
Performance	High Pressure
Shape	O-Ring
Standard	Standard
Color	Black
Transport Package	Carton/Wooden Box
Specification	14.517.451.25
Origin	China Ningbo
Production Capacity	100000pieces/Year
Package Size	30.00cm * 20.00cm * 12.00cm
Package Gross Weight	0.550kg
Lead Time	7 days (1 - 100 Pieces) To be negotiated ( > 100 Pieces)
Q 7	Do you use any international standards for the rubber products?
Category	Bonded, Sealing & Roofing Washers

Technical parameters

material Type	Key Characteristics	Typical Temperature Range	Typical Applications
Nitrile (NBR)	Excellent oil resistance, good abrasion andageing resistance	-20°C~110°C	Automotive, machinery, oil-environmentseals
Fluoroelastomer (FKM/Viton@)	High temperature resistance, chemical resistance, strong oxidiser resistance	-20°C ~ 200°C	Petrochemical, aerospace,high-temperature/high-pressure corrosenvironments
Silicone (SIL/VMQ)	Superior high and low temperatureperformance, excellent elasticity	-70°C ~260°C	Extreme temperature applications, foo medical industries
EPDM	Excellent weather, ozone and chemical resistance	Consult industry standards	Outdoor exposure, water treatment, scacidic/alkaline environments
Natural Rubber (NR)	resistance Good elasticity, moderate acid/alkali	Not recommended above 60°C	General-purpose applications with lowpressure and temperature
Chloroprene (CR)	Resistant to acids, alkalis and weathering	Approx.80°C	Outdoor or contact with acid/alkali media

Description

12 PCS Solid Nitrile Rubber Flat Washer DN20 2-19/32″ Od X 2″ ID X 1/4″ Thickness Large Washers O Ring Sealing Gaskets, Industrial Flat Rubber Spacer, Bl is part of our bonded, sealing & roofing washers range (Washers).

Key details

Type: Shaft Seal
Standard: Standard
Material: NBR
Application: Bearing
Performance: High Pressure
Shape: O-Ring
Color: Black

Available configurations include material, standard, color and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$18.23 – 22.79 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for 12 PCS Solid Nitrile Rubber Flat Washer DN20 2-19/32″ Od X 2″ ID X 1/4″ Thickness Large Washers O Ring Sealing Gaskets, Industrial Flat Rubber Spacer, Bl?

The listed minimum order is 100 pieces, at US$18.23 – 22.79 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$22.79 for 100–999 pieces; US$21.65 for 1,000–2,999 pieces; US$20.51 for 3,000–4,999 pieces; US$19.37 for 5,000–9,999 pieces; US$18.23 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of 12 PCS Solid Nitrile Rubber Flat Washer DN20 2-19/32″ Od X 2″ ID X 1/4″ Thickness Large Washers O Ring Sealing Gaskets, Industrial Flat Rubber Spacer, Bl?

Type: Shaft Seal; Standard: Standard; Material: NBR; Application: Bearing; Performance: High Pressure; Shape: O-Ring. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, standard, color and package size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other bonded, sealing & roofing washers are available?

The Bonded, Sealing & Roofing Washers category lists 2,033 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/washers/bonded-sealing-roofing-washers/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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US$18.23 – 22.79MOQ 100 piecesGet a quote WA