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 26 to 50 (of 198 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 4mm x 28mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X028
4mm x 28mm (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: 2773
$0.400
Add:
Min Qty:  3
Quantity Discounts
3-109$0.400
110-357$0.320
358+$0.280
(image for) 4mm x 29mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X029
4mm x 29mm (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: 75
$0.420
Add:
Min Qty:  3
Quantity Discounts
3-102$0.420
103-333$0.340
334+$0.300
(image for) 4mm x 30mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X030
4mm x 30mm (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: 406
$0.420
Add:
Min Qty:  3
Quantity Discounts
3-102$0.420
103-333$0.340
334+$0.300
(image for) 4mm X 31mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X031
4mm X 31mm (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: 325
$0.420
Add:
Min Qty:  3
Quantity Discounts
3-102$0.420
103-333$0.340
334+$0.300
(image for) 4mm x 32mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X032
4mm x 32mm (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: 1340
$0.430
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Min Qty:  3
Quantity Discounts
3-99$0.430
100-322$0.350
323+$0.310
(image for) 4mm x 33mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X033
4mm x 33mm (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: 237
$0.440
Add:
Min Qty:  3
Quantity Discounts
3-974$0.440
975-1,935$0.360
1,936+$0.310
(image for) 4mm x 33.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V34) N4.00X033.5
4mm x 33.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V34)
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
In Stock: 40
$0.380
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Min Qty:  3
Quantity Discounts
3-112$0.380
113-370$0.310
371+$0.270
(image for) 4mm x 34mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X034
4mm x 34mm (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: 323
$0.470
Add:
Min Qty:  3
Quantity Discounts
3-92$0.470
93-303$0.380
304+$0.330
(image for) 4mm x 35mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X035
4mm x 35mm (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: 11
$0.480
Add:
Min Qty:  3
Quantity Discounts
3-89$0.480
90-294$0.390
295+$0.340
(image for) 4mm x 36mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X036
4mm x 36mm (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: 130
$0.490
Add:
Min Qty:  3
Quantity Discounts
3-87$0.490
88-285$0.400
286+$0.350
(image for) 4mm x 37mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X037
4mm x 37mm (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: 886
$0.500
Add:
Min Qty:  2
Quantity Discounts
2-87$0.500
88-285$0.400
286+$0.350
(image for) 4mm X 38mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X038
4mm X 38mm (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: 439
$0.540
Add:
Min Qty:  2
Quantity Discounts
2-79$0.540
80-263$0.440
264+$0.380
(image for) 4mm x 39mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X039
4mm x 39mm (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: 4617
$0.550
Add:
Min Qty:  2
Quantity Discounts
2-79$0.550
80-256$0.440
257+$0.390
(image for) 4mm x 39.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V40) N4.00X039.5
4mm x 39.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS V40)
Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
In Stock: 0
$0.440
Add:
Min Qty:  796
Quantity Discounts
796-974$0.440
975-1,935$0.360
1,936+$0.310
(image for) 4mm x 40mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X040
4mm x 40mm (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: 94
$0.590
Add:
Min Qty:  2
Quantity Discounts
2-72$0.590
73-238$0.480
239+$0.420
(image for) 4mm X 41mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X041
4mm X 41mm (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: 705
$0.600
Add:
Min Qty:  2
Quantity Discounts
2-72$0.600
73-238$0.480
239+$0.420
(image for) 4mm x 42mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X042
4mm x 42mm (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: 211
$0.600
Add:
Min Qty:  2
Quantity Discounts
2-731$0.600
732-1,428$0.480
1,429+$0.420
(image for) 4mm x 43mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X043
4mm x 43mm (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: 55
$0.630
Add:
Min Qty:  2
Quantity Discounts
2-68$0.630
69-222$0.510
223+$0.450
(image for) 4mm X 44mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X044
4mm X 44mm (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: 63
$0.670
Add:
Min Qty:  2
Quantity Discounts
2-64$0.670
65-212$0.540
213+$0.470
(image for) 4mm x 45mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X045
4mm x 45mm (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: 328
$0.680
Add:
Min Qty:  2
Quantity Discounts
2-638$0.680
639-1,249$0.550
1,250+$0.480
(image for) 4mm x 46mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X046
4mm x 46mm (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: 5692
$0.720
Add:
Min Qty:  2
Quantity Discounts
2-605$0.720
606-1,176$0.580
1,177+$0.510
(image for) 4mm x 47mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X047
4mm x 47mm (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: 0
$0.740
Add:
Min Qty:  2
Quantity Discounts
2-58$0.740
59-192$0.600
193+$0.520
(image for) 4mm x 48mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X048
4mm x 48mm (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: 241
$0.750
Add:
Min Qty:  2
Quantity Discounts
2-584$0.750
585-1,132$0.600
1,133+$0.530
(image for) 4mm x 49mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X049
4mm x 49mm (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: 240
$0.780
Add:
Min Qty:  2
Quantity Discounts
2-557$0.780
558-1,090$0.630
1,091+$0.550
(image for) 4mm x 50mm (NBR) Buna-N 70 Duro Metric O-Rings N4.00X050
4mm x 50mm (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: 489
$0.780
Add:
Min Qty:  2
Quantity Discounts
2-55$0.780
56-181$0.630
182+$0.550
Displaying 26 to 50 (of 198 Products)
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