4.5MM CS X 60MM ID BLACK BUNA 70D

Buna-N O-Ring, 4.5 x 60 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:
H4.5X60
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Product Specification

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Part number H4.5X60 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 60 mm (2.362 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 69 mm (2.72 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is specified for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Expect good resistance to greases and lubricants, hydraulic fluids, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or automotive brake fluid are present.

Maintenance and OEM teams specify it across fluid power, automotive, and general industrial maintenance.

This item is sold individually under part number H4.5X60. Unit weight is approximately 0.004 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H4.5X60
Description
4.5MM CS X 60MM ID BLACK BUNA 70D
Actual Outside Diameter
69 mm (2.72 inch)
Actual Cross Section
4.5 mm (0.177 inch)
Actual Inside Diameter
60 mm (2.362 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity