3MM CS X 76MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 76 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:
H3X76
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Product Specification

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Part number H3X76 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 76 mm (2.992 in), a cross section of 3 mm (0.118 in), and an outside diameter of 82 mm (3.23 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is known for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, water, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ozone and direct sunlight or ketones are present.

You will find this material specified across construction equipment, general industrial maintenance, and automotive.

Reference part number H3X76 when ordering; the item is sold individually. Unit weight is approximately 2.252 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H3X76
Description
3MM CS X 76MM ID BLACK BUNA 70D
Actual Outside Diameter
82 mm (3.23 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
76 mm (2.992 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity