3MM CS X 270MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 270 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:
H3X270
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Product Specification

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Ordered as H3X270, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 270 mm (10.63 in), a cross section of 3 mm (0.118 in), and an outside diameter of 276 mm (10.87 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists propane and butane, water, and hydraulic fluids. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and fluid power.

Stocked as H3X270 and sold individually. Unit weight is approximately 7.4 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H3X270
Description
3MM CS X 270MM ID BLACK BUNA 70D
Actual Outside Diameter
276 mm (10.87 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
270 mm (10.63 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity