4MM CS X 335MM ID BLACK BUNA 70D

Buna-N O-Ring, 4 x 335 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H4X335
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Product Specification

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H4X335 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 335 mm (13.189 in), a cross section of 4 mm (0.157 in), and an outside diameter of 343 mm (13.5 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The compound resists water, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to strong acids or ozone and direct sunlight will shorten service life.

Common environments for this compound include automotive, general industrial maintenance, and fluid power.

H4X335 ships individually. Unit weight is approximately 16.173 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H4X335
Description
4MM CS X 335MM ID BLACK BUNA 70D
Actual Outside Diameter
343 mm (13.5 inch)
Actual Cross Section
4 mm (0.157 inch)
Actual Inside Diameter
335 mm (13.189 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity