-346 BLACK FKM 75D O-RING

Viton® O-Ring, 4.1 in ID x 0.21 CS, 75A, Black, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
346
Durometer
75 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
3/16 inch
Nominal Inside Diameter
4 1/8 inch
Nominal Outside Diameter
4 1/2 inch
Unit of Measure
EA
SKU:
V70346
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Product Specification

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The V70346 is an AS568-346 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 4.1 in (104.14 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.52 in (114.81 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Viton® (FKM) offers excellent resistance to compression set and permeation, outstanding high-temperature capability. Expect good resistance to engine and transmission fluids, many acids, and aggressive chemicals. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving amines or hot water and steam call for a different compound.

Common environments for this compound include high-temperature process equipment, aerospace, and semiconductor equipment.

Reference part number V70346 when ordering; the item is sold individually. Unit weight is approximately 14.038 g and nominal inside diameter is listed as 4 1/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
V70346
Description
-346 BLACK FKM 75D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
4.1 inch (104.14 mm)
Actual Outside Diameter
4.52 inch (114.81 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity