-242 BROWN FKM 75D O-RING

Viton® O-Ring, 3.984 in ID x 0.139 CS, 75A, Brown, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
242
Durometer
75 Shore A
Cross Section Type
Round
Color
Brown
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 1/4 inch
Unit of Measure
EA
SKU:
VB75242
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Product Specification

-
Ordered as VB75242, this is an AS568-242 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 3.984 in (101.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.262 in (108.25 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against chlorinated solvents, aromatic hydrocarbons, and aggressive chemicals. Viton® (FKM) offers excellent resistance to compression set and permeation, outstanding high-temperature capability. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or low-molecular-weight organic acids.

Typical settings include oil and gas, chemical processing, and high-temperature process equipment.

Reference part number VB75242 when ordering; the item is sold individually. Unit weight is approximately 6.84 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
VB75242
Description
-242 BROWN FKM 75D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
3.984 inch (101.19 mm)
Actual Outside Diameter
4.262 inch (108.25 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity