5.0mm 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 176 to 200 (of 232 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 5mm X 225mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X225
5mm X 225mm (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: 1
$2.290
Add:
Min Qty:  88
Quantity Discounts
88-203$2.290
204-799$1.718
800-2,599$1.203
2,600+$0.963
(image for) 5mm X 228mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X228
5mm X 228mm (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
$2.300
Add:
Min Qty:  87
Quantity Discounts
87-202$2.300
203-799$1.725
800-2,599$1.208
2,600+$0.967
(image for) 5mm X 229mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X229
5mm X 229mm (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
$2.330
Add:
Min Qty:  86
Quantity Discounts
86-200$2.330
201-799$1.748
800-2,599$1.224
2,600+$0.980
(image for) 5mm X 230mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X230
5mm X 230mm (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
$2.340
Add:
Min Qty:  86
Quantity Discounts
86-199$2.340
200-799$1.755
800-2,499$1.229
2,500+$0.984
(image for) 5mm X 232mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X232
5mm X 232mm (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
$2.370
Add:
Min Qty:  85
Quantity Discounts
85-196$2.370
197-799$1.778
800-2,499$1.245
2,500+$0.996
(image for) 5mm X 235mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X235
5mm X 235mm (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
$2.390
Add:
Min Qty:  84
Quantity Discounts
84-195$2.390
196-799$1.793
800-2,499$1.256
2,500+$1.005
(image for) 5mm X 236mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X236
5mm X 236mm (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
$2.400
Add:
Min Qty:  84
Quantity Discounts
84-194$2.400
195-799$1.800
800-2,499$1.260
2,500+$1.008
(image for) 5mm X 238mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X238
5mm X 238mm (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
$2.430
Add:
Min Qty:  83
Quantity Discounts
83-191$2.430
192-799$1.823
800-2,399$1.277
2,400+$1.022
(image for) 5mm X 240mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X240
5mm X 240mm (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
$2.440
Add:
Min Qty:  82
Quantity Discounts
82-191$2.440
192-799$1.830
800-2,399$1.281
2,400+$1.025
(image for) 5mm X 241mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X241
5mm X 241mm (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
$2.480
Add:
Min Qty:  81
Quantity Discounts
81-188$2.480
189-799$1.860
800-2,399$1.302
2,400+$1.042
(image for) 5mm X 243mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X243
5mm X 243mm (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: 151
$2.530
Add:
Min Qty:  2
Quantity Discounts
2-18$2.530
19-799$1.898
800-2,299$1.329
2,300+$1.064
(image for) 5mm X 245mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X245
5mm X 245mm (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
$2.570
Add:
Min Qty:  78
Quantity Discounts
78-181$2.570
182-699$1.928
700-2,299$1.350
2,300+$1.080
(image for) 5mm X 248mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X248
5mm X 248mm (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
$2.600
Add:
Min Qty:  77
Quantity Discounts
77-179$2.600
180-699$1.950
700-2,299$1.365
2,300+$1.092
(image for) 5mm X 250mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X250
5mm X 250mm (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
$2.640
Add:
Min Qty:  76
Quantity Discounts
76-176$2.640
177-699$1.980
700-2,299$1.386
2,300+$1.109
(image for) 5mm X 252mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X252
5mm X 252mm (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
$2.680
Add:
Min Qty:  75
Quantity Discounts
75-174$2.680
175-699$2.010
700-2,199$1.407
2,200+$1.126
(image for) 5mm X 255mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X255
5mm X 255mm (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
$2.720
Add:
Min Qty:  74
Quantity Discounts
74-171$2.720
172-699$2.040
700-2,199$1.428
2,200+$1.143
(image for) 5mm X 258mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X258
5mm X 258mm (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
$2.750
Add:
Min Qty:  73
Quantity Discounts
73-169$2.750
170-699$2.063
700-2,199$1.445
2,200+$1.156
(image for) 5mm X 260mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X260
5mm X 260mm (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
$2.790
Add:
Min Qty:  72
Quantity Discounts
72-167$2.790
168-699$2.093
700-2,099$1.466
2,100+$1.173
(image for) 5mm X 262mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X262
5mm X 262mm (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
$2.840
Add:
Min Qty:  71
Quantity Discounts
71-164$2.840
165-699$2.130
700-2,099$1.491
2,100+$1.193
(image for) 5mm X 265mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X265
5mm X 265mm (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
$2.880
Add:
Min Qty:  70
Quantity Discounts
70-162$2.880
163-699$2.160
700-2,099$1.512
2,100+$1.210
(image for) 5mm X 268mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X268
5mm X 268mm (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
$2.920
Add:
Min Qty:  69
Quantity Discounts
69-159$2.920
160-699$2.190
700-1,999$1.533
2,000+$1.227
(image for) 5mm X 270mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X270
5mm X 270mm (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
$2.950
Add:
Min Qty:  68
Quantity Discounts
68-158$2.950
159-599$2.213
600-1,999$1.550
2,000+$1.240
(image for) 5mm X 275mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X275
5mm X 275mm (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
$2.990
Add:
Min Qty:  67
Quantity Discounts
67-156$2.990
157-599$2.243
600-1,999$1.571
2,000+$1.257
(image for) 5mm X 278mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X278
5mm X 278mm (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
$3.030
Add:
Min Qty:  67
Quantity Discounts
67-153$3.030
154-599$2.273
600-1,999$1.592
2,000+$1.274
(image for) 5mm X 280mm (NBR) Buna-N 70 Duro Metric O-Ring N5.00X280
5mm X 280mm (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
$3.070
Add:
Min Qty:  66
Quantity Discounts
66-151$3.070
152-599$2.303
600-1,899$1.613
1,900+$1.291
Displaying 176 to 200 (of 232 Products)
Copyright © 2025 The O-Ring Store, LLC
1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719