-242 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 3.984 in ID x 0.139 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Neoprene (Chloropene)
Dash Size
242
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 1/4 inch
Unit of Measure
EA
SKU:
N70242
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Product Specification

-
Ordered as N70242, this is an AS568-242 black Neoprene (Chloroprene) 70 Shore A O-Ring built to 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 moderate petroleum oil exposure, ozone and weathering, and sunlight and salt spray. Neoprene (Chloroprene) delivers strong performance in refrigeration circuits and dependable general-purpose sealing in exposed installations. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong oxidizing acids.

Typical settings include weather sealing and enclosures, general industrial, and HVAC and refrigeration.

Order part number N70242, sold individually. Unit weight is approximately 4.5124 g and nominal inside diameter is listed as 4 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
N70242
Description
-242 BLACK CHLOROPRENE 70D 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