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4.0mm CS

Viton O-Rings 75 Durometer (Fluorocarbon, FKM):

A chemical resistant Viton® (Fluorocarbon Elastomer) compound rubber has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. VITON® is the trade name for DuPont-Dow Elastomers Fluorocarbon or FKM material. VITON® has a temperature range of -20F to +400F, and provides excellent resistance to a wide variety of chemicals, weather and compression set requirements. The relatively high level of fluorine in VITON® materials allows for exceptional resistance to chemical attack, but with limited low temperature capabilities. Viton is quickly becoming the go to Oring in many applications.

Dimensions of Metric O-rings 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.




Image Model+ Item Name Stock Price Quantity Discounts
4mm X 5mm V75 FKM Viton O-ring Black V4.00X005

4mm X 5mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
0
$1.12

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Quantity Discounts
1-41$1.12
42-267$0.84
268+$0.56
4mm X 6mm V75 FKM Viton O-ring Black V4.00X006

4mm X 6mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
92
$1.22

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Quantity Discounts
1-38$1.22
39-245$0.92
246+$0.61
4mm X 7mm V75 FKM Viton O-ring Black V4.00X007

4mm X 7mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
0
$1.24

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Quantity Discounts
1-37$1.24
38-241$0.93
242+$0.62
4mm X 8mm V75 FKM Viton O-ring Black V4.00X008

4mm X 8mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
130
$1.26

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Quantity Discounts
1-37$1.26
38-238$0.95
239+$0.63
4mm X 9mm V75 FKM Viton O-ring Black V4.00X009

4mm X 9mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
32
$1.30

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Quantity Discounts
1-35$1.30
36-230$0.98
231+$0.65
4mm X 10mm V75 FKM Viton O-ring Black V4.00X010

4mm X 10mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
4
$1.34

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Quantity Discounts
1-34$1.34
35-223$1.01
224+$0.67
4mm X 12mm V75 FKM Viton O-ring Black V4.00X012

4mm X 12mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
271
$1.49

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Quantity Discounts
1-31$1.49
32-201$1.12
202+$0.75
4mm X 13mm V75 FKM Viton O-ring Black V4.00X013

4mm X 13mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
20
$1.59

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Quantity Discounts
1-29$1.59
30-188$1.19
189+$0.80
4mm X 14mm V75 FKM Viton O-ring Black V4.00X014

4mm X 14mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
20
$1.69

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Quantity Discounts
1-27$1.69
28-177$1.27
178+$0.85
4mm X 15mm V75 FKM Viton O-ring Black V4.00X015

4mm X 15mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
0
$1.78

Add:

Quantity Discounts
1-26$1.78
27-168$1.34
169+$0.89
4mm X 16mm V75 FKM Viton O-ring Black V4.00X016

4mm X 16mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
296
$1.88

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Quantity Discounts
1-24$1.88
25-159$1.41
160+$0.94
4mm X 17mm V75 FKM Viton O-ring Black V4.00X017

4mm X 17mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
26
$1.98

Add:

Quantity Discounts
1-23$1.98
24-151$1.49
152+$0.99
4mm X 18mm V75 FKM Viton O-ring Black V4.00X018

4mm X 18mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
183
$2.08

Add:

Quantity Discounts
1-22$2.08
23-144$1.56
145+$1.04
4mm X 19mm V75 FKM Viton O-ring Black V4.00X019

4mm X 19mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
70
$2.18

Add:

Quantity Discounts
1-21$2.18
22-137$1.64
138+$1.09
4mm X 20mm V75 FKM Viton O-ring Black V4.00X020

4mm X 20mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
154
$2.28

Add:

Quantity Discounts
1-20$2.28
21-131$1.71
132+$1.14
4mm X 21mm V75 FKM Viton O-ring Black V4.00X021

4mm X 21mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
6
$2.37

Add:

Quantity Discounts
1-19$2.37
20-126$1.78
127+$1.19
4mm X 22mm V75 FKM Viton O-ring Black V4.00X022

4mm X 22mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
5
$2.47

Add:

Quantity Discounts
1-18$2.47
19-121$1.85
122+$1.24
4mm X 23mm V75 FKM Viton O-ring Black V4.00X023

4mm X 23mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
2260
$2.57

Add:

Quantity Discounts
1-18$2.57
19-116$1.93
117+$1.29
4mm X 24mm V75 FKM Viton O-ring Black V4.00X024

4mm X 24mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
29
$2.67

Add:

Quantity Discounts
1-17$2.67
18-112$2.00
113+$1.34
4mm X 25mm V75 FKM Viton O-ring Black V4.00X025

4mm X 25mm V75 FKM Viton O-ring Black

Cross Section "CS" X Inside Diameter "ID" Chemical Resistant and High Heat Viton® O-Rings 75 Durometer: Fluorocarbons (FKM)...
6
$2.77

Add:

Quantity Discounts
1-16$2.77
17-108$2.08
109+$1.39


What are the most common O-ring compounds?

We stock O-Rings in over 20 different compounds and durometers the following six are the standard rubber materials in a range of durometers (Shore A) hardness to satisfy practically any service condition:

Buna-N O-Rings / Nitrile O-Rings / NBR: Nitrile (Buna-N) is the most widely used elastomer due to its excellent resistance to petroleum products, operating temperature range (-40°F to +257°F) and one of the best performance-to-cost values. It's an ideal material for aerospace, automotive, propane and natural gas applications. Special Hydrogenated Nitrile (HNBR) compounds can improve resistance to direct ozone, sunlight, and weather exposure while increasing temperature range to +300°F.
AS-568 Buna-N O-Rings | Metric Buna-N O-Rings

Viton® O-Rings / FKM: Fluorocarbon (Viton®) exhibits exceptional resistance to chemicals, oils, temperature extremes (-13°F to +446°F), low compression set, low gas permeability and excellent aging characteristics. Applications include: aircraft engines, automotive fuel handling systems, and chemical processing industries. FKM is also suitable for high vacuum applications. It is not recommended for exposure to ketones, alkalis, and Skydrol® fluids. Custom compounds are available with improved chemical and low temperature resistance.
AS-568 Viton® O-Rings | Metric Viton® O-Rings

Ethylene-Propylene / EPDM O-Rings: EPDM has outstanding resistance to heat, water and steam, alkali, mild acidic and oxygenated solvents, ozone, and sunlight (-40ºF to +275ºF); but it is not recommended for gasoline, petroleum oil and grease, and hydrocarbon environments. This popular rubber compound is usually the first choice for low torque drive belt applications.
AS-568 EPDM O-Rings | Metric EPDM O-Rings

Silicone O-Rings / VMQ: In the Silicone family, you will find compounds which are superior as static seals in extreme temperature conditions. Standard compounds handle operating temperatures -85º to +400ºF. Silicone compounds are popular in food and medical applications because they are very clean and do not impart odor or taste. Special Phenyl silicones can be used down to -148°F.
AS-568 Silicone O-Rings | Metric Silicone O-Rings

Neoprene® O-Rings / CR: Neoprene (-40º to +250ºF) is reasonably priced and features good resistance to petroleum oils, ozone, sunlight and oxygen aging, relatively low compression set, good resilience and outstanding physical toughness. It is the preferred sealing material for the refrigeration industry because of its resistance to ammonia and Freon®.
AS-568 Neoprene® O-Rings