5MM CS X 7MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 7 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:
H5X7
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Product Specification

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Ordered as H5X7, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 7 mm (0.276 in), a cross section of 5 mm (0.197 in), and an outside diameter of 17 mm (0.67 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. It resists greases and lubricants, water, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include general industrial maintenance, agricultural equipment, and fluid power.

Reference part number H5X7 when ordering; the item is sold individually. Unit weight is approximately 0.948 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H5X7
Description
5MM CS X 7MM ID BLACK BUNA 70D
Actual Outside Diameter
17 mm (0.67 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
7 mm (0.276 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity