2.7MM CS X 12.1MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.7 x 12.1 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:
H2.7X12.1
Please login to see price and add to cart

Product Specification

-
H2.7X12.1 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 12.1 mm (0.476 in), a cross section of 2.7 mm (0.106 in), and an outside diameter of 17.5 mm (0.69 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. This material stands up to water, hydraulic fluids, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.

Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.

This item is sold individually under part number H2.7X12.1. Review your operating media and conditions against this specification before installation.
Item
H2.7X12.1
Description
2.7MM CS X 12.1MM ID BLACK BUNA 70D
Actual Outside Diameter
17.5 mm (0.69 inch)
Actual Cross Section
2.7 mm (0.106 inch)
Actual Inside Diameter
12.1 mm (0.476 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity