1.00mm CS Nitrile Metric O-Rings – 70A Buna-N Seals

Engineered for reliable sealing performance, these Metric Buna-N (Nitrile) O-Rings feature a 4.5mm cross section and 70 durometer hardness. Ideal for general-purpose sealing, NBR offers excellent resistance to petroleum-based oils, fuels, water, and hydraulic fluids. Commonly used in automotive, hydraulic, and industrial applications, these O-Rings deliver dependable performance in temperatures ranging from -40°C to +100°C. Precision-molded to metric standards for a secure fit.

Displaying 1 to 25 (of 114 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 1mm CS X 1mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X001
1mm CS X 1mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 35147
$0.070
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Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 1.15mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X001.15
1mm CS X 1.15mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 3261
$0.070
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Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 1.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X001.5
1mm CS X 1.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 18194
$0.070
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Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 1.8mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X001.8
1mm CS X 1.8mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 27585
$0.070
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Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 2mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X002
1mm CS X 2mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 22240
$0.070
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Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 2.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X002.5
1mm CS X 2.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 335023
$0.070
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Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 2.7mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X002.7
1mm CS X 2.7mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 47079
$0.290
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Min Qty:  11
Quantity Discounts
11-160$0.290
161-6,499$0.218
6,500$0.153
20,300+$0.123
(image for) 1mm CS X 3mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X003
1mm CS X 3mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 3268
$0.050
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Min Qty:  60
Quantity Discounts
60-921$0.050
922-36,999$0.038
37,000$0.027
113,600+$0.022
(image for) 1mm CS X 3mm ID (NBR) Buna-N 70 Duro Metric O-Ring Blue N1.00X003-BLU
1mm CS X 3mm ID (NBR) Buna-N 70 Duro Metric O-Ring Blue
Blue O-Rings Nitrile, Buna-N (NBR) Duro 70: Pantone 5405C Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base...
 In Stock: 5283
$0.080
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Min Qty:  38
Quantity Discounts
38-583$0.080
584-23,799$0.060
23,800-73,499$0.042
73,500+$0.034
(image for) 1mm CS X 3.1mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X003.1
1mm CS X 3.1mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$0.190
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Min Qty:  1053
Quantity Discounts
1053-2,447$0.190
2,448-9,899$0.143
9,900$0.101
30,900+$0.081
(image for) 1mm CS X 3.2mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X003.2
1mm CS X 3.2mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$0.300
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Min Qty:  667
Quantity Discounts
667-1,555$0.300
1,556-6,299$0.225
6,300$0.158
19,700+$0.127
(image for) 1mm CS X 3.3mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X003.3
1mm CS X 3.3mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 22472
$0.290
Add:
Min Qty:  11
Quantity Discounts
11-160$0.290
161-6,499$0.218
6,500$0.153
20,300+$0.123
(image for) 1mm CS X 3.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X003.5
1mm CS X 3.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 71911
$0.050
Add:
Min Qty:  60
Quantity Discounts
60-921$0.050
922-36,999$0.038
37,000$0.027
113,600+$0.022
(image for) 1mm CS X 3.7mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X003.7
1mm CS X 3.7mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$0.190
Add:
Min Qty:  1053
Quantity Discounts
1053-2,447$0.190
2,448-9,899$0.143
9,900$0.101
30,900+$0.081
(image for) 1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X004
1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 27062
$0.050
Add:
Min Qty:  60
Quantity Discounts
60-921$0.050
922-36,999$0.038
37,000$0.027
113,600+$0.022
(image for) 1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring Blue N1.00X004-BLU
1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring Blue
Cross Section "CS" X Inside Diameter "ID" Blue O-Rings Buna-N - Nitrile (NBR) Duro 70: Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F...
 In Stock: 26375
$0.080
Add:
Min Qty:  38
Quantity Discounts
38-583$0.080
584-23,799$0.060
23,800-73,499$0.042
73,500+$0.034
(image for) 1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring Green N1.00X004-GRN
1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring Green
Cross Section "CS" X Inside Diameter "ID" Green O-Rings Buna-N - Nitrile (NBR) Duro 70: Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F...
 In Stock: 27285
$0.080
Add:
Min Qty:  38
Quantity Discounts
38-583$0.080
584-23,799$0.060
23,800-73,499$0.042
73,500+$0.034
(image for) 1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring Red N1.00X004-RED
1mm CS X 4mm ID (NBR) Buna-N 70 Duro Metric O-Ring Red
Cross Section "CS" X Inside Diameter "ID" Red O-Rings Buna-N - Nitrile (NBR) Duro 70: Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and...
 In Stock: 30000
$0.080
Add:
Min Qty:  38
Quantity Discounts
38-583$0.080
584-23,799$0.060
23,800-73,499$0.042
73,500+$0.034
(image for) 1mm CS X 4.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X004.5
1mm CS X 4.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 53274
$0.050
Add:
Min Qty:  60
Quantity Discounts
60-921$0.050
922-36,999$0.038
37,000$0.027
113,600+$0.022
(image for) 1mm CS X 5mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X005
1mm CS X 5mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 48861
$0.430
Add:
Min Qty:  7
Quantity Discounts
7-108$0.430
109-4,399$0.323
4,400$0.227
13,700+$0.182
(image for) 1mm CS X 5.1mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X005.1
1mm CS X 5.1mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 9
$0.070
Add:
Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 5.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X005.5
1mm CS X 5.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 10655
$0.070
Add:
Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 6mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X006
1mm CS X 6mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 201864
$0.070
Add:
Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 6.2mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X006.2
1mm CS X 6.2mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 3666
$0.070
Add:
Min Qty:  43
Quantity Discounts
43-660$0.070
661-26,299$0.053
26,300-80,599$0.038
80,600+$0.031
(image for) 1mm CS X 6.3mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.00X006.3
1mm CS X 6.3mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is...
 In Stock: 0
$0.250
Add:
Min Qty:  800
Quantity Discounts
800-1,861$0.250
1,862-7,599$0.188
7,600$0.132
23,600+$0.106
Displaying 1 to 25 (of 114 Products)
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