4.5MM CS X 84MM ID BLACK BUNA 70D

Buna-N O-Ring, 4.5 x 84 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:
H4.5X84
Please login to see price and add to cart

Product Specification

-
This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 84 mm (3.307 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 93 mm (3.66 in), catalogued under part number H4.5X84. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. The material holds up against propane and butane, petroleum-based oils, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.

You will find this material specified across hydraulic and pneumatic systems, agricultural equipment, and fluid power.

Order part number H4.5X84, sold individually. Unit weight is approximately 0.0055 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H4.5X84
Description
4.5MM CS X 84MM ID BLACK BUNA 70D
Actual Outside Diameter
93 mm (3.66 inch)
Actual Cross Section
4.5 mm (0.177 inch)
Actual Inside Diameter
84 mm (3.307 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity