-420 BLACK FKM 75D O-RING

Viton® O-Ring, 3.85 in ID x 0.275 CS, 75A, Black, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
420
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
1/4 inch
Nominal Inside Diameter
3 7/8 inch
Nominal Outside Diameter
4 3/8 inch
Unit of Measure
EA
SKU:
V70420
Please login to see price and add to cart

Product Specification

-
V70420 is an AS568-420 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Viton® (FKM) is known for excellent resistance to compression set and permeation, very low compression set at elevated temperature. Expect good resistance to aromatic hydrocarbons, engine and transmission fluids, and chlorinated solvents. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in ketones and esters or hot water and steam.

Common environments for this compound include semiconductor equipment, aerospace, and chemical processing.

V70420 ships individually. Unit weight is approximately 23.35 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
V70420
Description
-420 BLACK FKM 75D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
3.85 inch (97.79 mm)
Actual Outside Diameter
4.4 inch (111.76 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity