5MM CS X 87MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 87 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:
H5X87
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Product Specification

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H5X87 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 87 mm (3.425 in), a cross section of 5 mm (0.197 in), and an outside diameter of 97 mm (3.82 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, low compression set under sustained load. The compound resists greases and lubricants, water, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in polar solvents or automotive brake fluid.

Typical settings include fluid power, construction equipment, and agricultural equipment.

Order part number H5X87, sold individually. Unit weight is approximately 6.93 g. Review your operating media and conditions against this specification before installation.
Item
H5X87
Description
5MM CS X 87MM ID BLACK BUNA 70D
Actual Outside Diameter
97 mm (3.82 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
87 mm (3.425 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity