4.0mm CS

Buna-N / Nitrile Metric O-Rings 70 Duro (NBR):

A general purpose, sulfur-cured Buna-N Nitrile O-Ring, the most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. More than 50% of the Orings sold are Buna-N Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

O-Ring Dimensions are defined by the cross section (CS) and the inside diameter (ID).

Size not listed, special requirements or large quantities please click this link to Request a Price Quote.

Displaying 1 to 25 (of 196 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 4mm x 5mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X005
4mm x 5mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 2421
$0.060
Add:
Min Qty:  80
Quantity Discounts
80-12,799$0.060
12,800-36,999$0.039
37,000+$0.027
(image for) 4mm x 6mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X006
4mm x 6mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 9606
$0.060
Add:
Min Qty:  80
Quantity Discounts
80-12,799$0.060
12,800-36,999$0.039
37,000+$0.027
(image for) 4mm x 7mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X007
4mm x 7mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1028
$0.060
Add:
Min Qty:  80
Quantity Discounts
80-11,899$0.060
11,900-33,999$0.042
34,000+$0.029
(image for) 4mm x 8mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X008
4mm x 8mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 49248
$0.060
Add:
Min Qty:  80
Quantity Discounts
80-11,899$0.060
11,900-33,999$0.042
34,000+$0.029
(image for) 4mm x 9mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X009
4mm x 9mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 6037
$0.060
Add:
Min Qty:  80
Quantity Discounts
80-11,599$0.060
11,600-32,999$0.043
33,000+$0.030
(image for) 4mm x 10mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X010
4mm x 10mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1496
$0.070
Add:
Min Qty:  70
Quantity Discounts
70-10,899$0.070
10,900-30,999$0.046
31,000+$0.032
(image for) 4mm x 11mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X011
4mm x 11mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 4484
$0.070
Add:
Min Qty:  70
Quantity Discounts
70-10,199$0.070
10,200-28,999$0.049
29,000+$0.034
(image for) 4mm x 12mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X012
4mm x 12mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 157
$0.070
Add:
Min Qty:  70
Quantity Discounts
70-9,999$0.070
10,000-28,999$0.050
29,000+$0.035
(image for) 4mm x 13mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X013
4mm x 13mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1762
$0.080
Add:
Min Qty:  60
Quantity Discounts
60-8,899$0.080
8,900$0.056
26,000+$0.039
(image for) 4mm x 14.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V15) N4.00X014.5
4mm x 14.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V15)
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 14796
$0.090
Add:
Min Qty:  60
Quantity Discounts
60-8,299$0.090
8,300$0.060
24,000+$0.042
(image for) 4mm x 14mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X014
4mm x 14mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 134
$0.090
Add:
Min Qty:  60
Quantity Discounts
60-8,499$0.090
8,500$0.059
24,000+$0.041
(image for) 4mm x 15mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X015
4mm x 15mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 15508
$0.090
Add:
Min Qty:  60
Quantity Discounts
60-8,299$0.090
8,300$0.060
24,000+$0.042
(image for) 4mm x 16mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X016
4mm x 16mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 768
$0.100
Add:
Min Qty:  50
Quantity Discounts
50-7,599$0.100
7,600$0.066
22,000+$0.046
(image for) 4mm x 17mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X017
4mm x 17mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 5704
$0.100
Add:
Min Qty:  50
Quantity Discounts
50-7,399$0.100
7,400$0.068
21,000+$0.047
(image for) 4mm x 18mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X018
4mm x 18mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1984
$0.100
Add:
Min Qty:  50
Quantity Discounts
50-6,899$0.100
6,900$0.072
20,000+$0.050
(image for) 4mm x 19mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X019
4mm x 19mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 2947
$0.110
Add:
Min Qty:  50
Quantity Discounts
50-6,599$0.110
6,600$0.076
19,000+$0.053
(image for) 4mm x 20mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X020
4mm x 20mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1837
$0.110
Add:
Min Qty:  50
Quantity Discounts
50-6,399$0.110
6,400$0.078
19,000+$0.054
(image for) 4mm x 21mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X021
4mm x 21mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 4834
$0.120
Add:
Min Qty:  40
Quantity Discounts
40-5,999$0.120
6,000$0.083
17,000+$0.058
(image for) 4mm x 22mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X022
4mm x 22mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 10754
$0.130
Add:
Min Qty:  40
Quantity Discounts
40-5,699$0.130
5,700$0.088
16,000+$0.061
(image for) 4mm x 23.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V24) N4.00X023.5
4mm x 23.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V24)
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 3399
$0.130
Add:
Min Qty:  40
Quantity Discounts
40-5,399$0.130
5,400$0.092
16,000+$0.064
(image for) 4mm x 23mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X023
4mm x 23mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 2082
$0.130
Add:
Min Qty:  40
Quantity Discounts
40-5,599$0.130
5,600$0.090
16,000+$0.063
(image for) 4mm x 24mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X024
4mm x 24mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 4782
$0.130
Add:
Min Qty:  40
Quantity Discounts
40-5,399$0.130
5,400$0.093
15,000+$0.065
(image for) 4mm x 25mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X025
4mm x 25mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1098
$0.140
Add:
Min Qty:  40
Quantity Discounts
40-5,199$0.140
5,200$0.096
15,000+$0.067
(image for) 4mm x 26mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X026
4mm x 26mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 437
$0.140
Add:
Min Qty:  40
Quantity Discounts
40-4,999$0.140
5,000$0.100
14,000+$0.070
(image for) 4mm x 27mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X027
4mm x 27mm (NBR) Buna-N 70 Duro Metric O-Rings
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
 In Stock: 1591
$0.150
Add:
Min Qty:  30
Quantity Discounts
30-4,699$0.150
4,700$0.106
14,000+$0.074
Displaying 1 to 25 (of 196 Products)
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