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8.4MM (.331) BUNA-N ORING CORD 70 DUR

Buna-N O-Ring Cord Stock, 8.4 mm, 70A, Black

Status
Available
Est. Ship Date
24 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Unit of Measure
FT
SKU:
0M284B8.4
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Product Specification

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APG stocks the 0M284B8.4, a black Buna-N (Nitrile) 70 Shore A O-Ring Cord Stock supplied with a cross section of 0.331 in (8.4 mm). An o-ring cord stock eliminates long lead times on large-diameter custom rings.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, water, and propane and butane. It should not be specified for service in strong acids or automotive brake fluid.

It sees regular use in fluid power, automotive, and general industrial maintenance.

Stocked as 0M284B8.4 and sold by the foot. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
0M284B8.4
Description
8.4MM (.331) BUNA-N ORING CORD 70 DUR
Actual Cross Section
0.331 inch (8.4 mm)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6008
Product Category
O-Rings - Cord - Commodity