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7MM CS X 345MM ID BLACK BUNA 70D

Buna-N O-Ring, 7 x 345 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
22 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
null
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
null
Nominal Inside Diameter
null
Nominal Outside Diameter
null
Unit of Measure
EA
SKU:
H7X345
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Product Specification

-
APG stocks the H7X345, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 345 mm (13.583 in), a cross section of 7 mm (0.276 in), and an outside diameter of 359 mm (14.13 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, water, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

It sees regular use in general industrial maintenance, automotive, and hydraulic and pneumatic systems.

Stocked as H7X345 and sold individually. Unit weight is approximately 53.42 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H7X345
Description
7MM CS X 345MM ID BLACK BUNA 70D
Actual Outside Diameter
359 mm (14.13 inch)
Actual Cross Section
7 mm (0.276 inch)
Actual Inside Diameter
345 mm (13.583 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity