4.5mm 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 106 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 4.5mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X006
4.5mm X 6mm (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: 257
$0.220
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Min Qty:  14
Quantity Discounts
14-212$0.220
213-8,599$0.165
8,600$0.116
26,900+$0.093
(image for) 4.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X008
4.5mm X 8mm (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: 1116
$0.220
Add:
Min Qty:  14
Quantity Discounts
14-212$0.220
213-8,599$0.165
8,600$0.116
26,900+$0.093
(image for) 4.5mm X 9mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X009
4.5mm X 9mm (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: 709
$0.220
Add:
Min Qty:  14
Quantity Discounts
14-212$0.220
213-8,599$0.165
8,600$0.116
26,900+$0.093
(image for) 4.5mm X 10mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X010
4.5mm X 10mm (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: 408
$0.230
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Min Qty:  14
Quantity Discounts
14-202$0.230
203-8,199$0.173
8,200$0.122
25,500+$0.098
(image for) 4.5mm X 11mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X011
4.5mm X 11mm (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: 402
$0.250
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Min Qty:  12
Quantity Discounts
12-186$0.250
187-7,599$0.188
7,600$0.132
23,600+$0.106
(image for) 4.5mm X 12mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X012
4.5mm X 12mm (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: 320
$0.250
Add:
Min Qty:  12
Quantity Discounts
12-186$0.250
187-7,599$0.188
7,600$0.132
23,600+$0.106
(image for) 4.5mm X 13mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X013
4.5mm X 13mm (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: 434
$0.280
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Min Qty:  11
Quantity Discounts
11-166$0.280
167-6,799$0.210
6,800$0.147
21,200+$0.118
(image for) 4.5mm X 15mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X015
4.5mm X 15mm (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: 988
$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) 4.5mm X 15.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X015.5
4.5mm X 15.5mm (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: 1252
$0.300
Add:
Min Qty:  10
Quantity Discounts
10-155$0.300
156-6,299$0.225
6,300$0.158
19,700+$0.127
(image for) 4.5mm X 16mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X016
4.5mm X 16mm (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: 280
$0.320
Add:
Min Qty:  10
Quantity Discounts
10-145$0.320
146-5,999$0.240
6,000$0.168
18,500+$0.135
(image for) 4.5mm X 17mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X017
4.5mm X 17mm (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: 774
$0.330
Add:
Min Qty:  10
Quantity Discounts
10-141$0.330
142-5,699$0.248
5,700$0.174
17,900+$0.140
(image for) 4.5mm X 18mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X018
4.5mm X 18mm (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: 927
$0.350
Add:
Min Qty:  9
Quantity Discounts
9-133$0.350
134-5,399$0.263
5,400$0.185
16,900+$0.148
(image for) 4.5mm X 19mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X019
4.5mm X 19mm (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: 578
$0.380
Add:
Min Qty:  8
Quantity Discounts
8-122$0.380
123-4,999$0.285
5,000$0.200
15,600+$0.160
(image for) 4.5mm X 20mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X020
4.5mm X 20mm (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: 40
$0.380
Add:
Min Qty:  8
Quantity Discounts
8-122$0.380
123-4,999$0.285
5,000$0.200
15,600+$0.160
(image for) 4.5mm X 21mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X021
4.5mm X 21mm (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: 0
$0.400
Add:
Min Qty:  500
Quantity Discounts
500-1,166$0.400
1,167-4,799$0.300
4,800$0.210
14,900+$0.168
(image for) 4.5mm X 21.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X021.5
4.5mm X 21.5mm (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: 0
$0.400
Add:
Min Qty:  500
Quantity Discounts
500-1,166$0.400
1,167-4,799$0.300
4,800$0.210
14,900+$0.168
(image for) 4.5mm X 22mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X022
4.5mm X 22mm (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: 3239
$0.420
Add:
Min Qty:  8
Quantity Discounts
8-111$0.420
112-4,499$0.315
4,500$0.221
14,100+$0.177
(image for) 4.5mm X 23mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X023
4.5mm X 23mm (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: 244
$0.420
Add:
Min Qty:  8
Quantity Discounts
8-111$0.420
112-4,499$0.315
4,500$0.221
14,100+$0.177
(image for) 4.5mm X 24mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X024
4.5mm X 24mm (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: 0
$0.420
Add:
Min Qty:  477
Quantity Discounts
477-1,111$0.420
1,112-4,499$0.315
4,500$0.221
14,100+$0.177
(image for) 4.5mm X 25mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X025
4.5mm X 25mm (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: 300
$0.420
Add:
Min Qty:  8
Quantity Discounts
8-111$0.420
112-4,499$0.315
4,500$0.221
14,100+$0.177
(image for) 4.5mm X 26mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X026
4.5mm X 26mm (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: 0
$0.430
Add:
Min Qty:  466
Quantity Discounts
466-1,083$0.430
1,084-4,399$0.323
4,400$0.227
13,700+$0.182
(image for) 4.5mm X 27mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X027
4.5mm X 27mm (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: 66
$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) 4.5mm X 28mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X028
4.5mm X 28mm (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: 276
$0.440
Add:
Min Qty:  7
Quantity Discounts
7-106$0.440
107-4,299$0.330
4,300$0.231
13,500+$0.185
(image for) 4.5mm X 28.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X028.5
4.5mm X 28.5mm (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: 0
$0.470
Add:
Min Qty:  426
Quantity Discounts
426-991$0.470
992-3,999$0.353
4,000$0.248
12,600+$0.199
(image for) 4.5mm X 29mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X029
4.5mm X 29mm (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: 0
$0.470
Add:
Min Qty:  426
Quantity Discounts
426-991$0.470
992-3,999$0.353
4,000$0.248
12,600+$0.199
Displaying 1 to 25 (of 106 Products)
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1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719