-248 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 4.734 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
248
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 3/4 inch
Nominal Outside Diameter
5 inch
Unit of Measure
EA
SKU:
N70248
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Product Specification

-
The N70248 is an AS568-248 black Neoprene (Chloroprene) 70 Shore A O-Ring with an inside diameter of 4.734 in (120.24 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.012 in (127.3 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to refrigerants and ammonia, mild acids, and sunlight and salt spray. Neoprene (Chloroprene) offers inherent flame-retarding characteristics, a balanced combination of oil and weather resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with aromatic hydrocarbons or strong oxidizing acids.

It sees regular use in weather sealing and enclosures, general industrial, and transit and rail.

This item is sold individually under part number N70248. Unit weight is approximately 0.0118 lb and nominal inside diameter is listed as 4 3/4 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
N70248
Description
-248 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
4.734 inch (120.24 mm)
Actual Outside Diameter
5.012 inch (127.3 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity