3MM CS X 264MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 264 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:
H3X264
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Product Specification

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APG stocks the H3X264, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 264 mm (10.394 in), a cross section of 3 mm (0.118 in), and an outside diameter of 270 mm (10.63 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. Expect good resistance to hydraulic fluids, greases and lubricants, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong acids or ketones call for a different compound.

Common environments for this compound include agricultural equipment, fluid power, and automotive.

Reference part number H3X264 when ordering; the item is sold individually. Unit weight is approximately 7.597 g. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
H3X264
Description
3MM CS X 264MM ID BLACK BUNA 70D
Actual Outside Diameter
270 mm (10.63 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
264 mm (10.394 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity