-347 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 4.225 in ID x 0.21 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Neoprene (Chloropene)
Dash Size
347
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
3/16 inch
Nominal Inside Diameter
4 1/4 inch
Nominal Outside Diameter
4 5/8 inch
Unit of Measure
EA
SKU:
N70347
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Product Specification

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APG stocks the N70347, an AS568-347 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 4.225 in (107.32 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.645 in (117.98 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to moderate petroleum oil exposure, refrigerants and ammonia, and ozone and weathering. Neoprene (Chloroprene) offers inherent flame-retarding characteristics and good resilience across a moderate temperature band. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with aromatic hydrocarbons or chlorinated solvents.

Typical settings include HVAC and refrigeration, marine equipment, and transit and rail.

Stocked as N70347 and sold individually. Unit weight is approximately 11.003 g and nominal inside diameter is listed as 4 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
N70347
Description
-347 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
4.225 inch (107.32 mm)
Actual Outside Diameter
4.645 inch (117.98 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity