-155 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 3.987 in ID x 0.103 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Neoprene (Chloropene)
Dash Size
155
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
3/32 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 3/16 inch
Unit of Measure
EA
SKU:
N70155
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Product Specification

-
This o-ring is supplied in AS568-155 black Neoprene (Chloroprene) 70 Shore A measuring an inside diameter of 3.987 in (101.27 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.193 in (106.5 mm), catalogued under part number N70155. It remains the most cost-effective sealing element available for pressurized assemblies.

Neoprene (Chloroprene) is known for inherent flame-retarding characteristics and good resilience across a moderate temperature band. Expect good resistance to mild acids, moderate petroleum oil exposure, and sunlight and salt spray. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to strong oxidizing acids or chlorinated solvents will shorten service life.

Maintenance and OEM teams specify it across weather sealing and enclosures, general industrial, and transit and rail.

This item is sold individually under part number N70155. Unit weight is approximately 2.5008 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
N70155
Description
-155 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
3.987 inch (101.27 mm)
Actual Outside Diameter
4.193 inch (106.5 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity