5MM CS X 325MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 325 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:
H5X325
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Product Specification

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The H5X325 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 325 mm (12.795 in), a cross section of 5 mm (0.197 in), and an outside diameter of 335 mm (13.19 in). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The compound resists many alcohols, propane and butane, and petroleum-based oils. 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 polar solvents are present.

It sees regular use in hydraulic and pneumatic systems, fluid power, and agricultural equipment.

H5X325 ships individually. Unit weight is approximately 25.243 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H5X325
Description
5MM CS X 325MM ID BLACK BUNA 70D
Actual Outside Diameter
335 mm (13.19 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
325 mm (12.795 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity