-030 BLACK BUNA 70D O-RING

Buna-N O-Ring, 1.614 in ID x 0.07 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
30
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/16 inch
Nominal Inside Diameter
1 5/8 inch
Nominal Outside Diameter
1 3/4 inch
Unit of Measure
EA
SKU:
H70MD030
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Product Specification

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This o-ring is supplied in AS568-030 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 1.614 in (41 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.754 in (44.55 mm), catalogued under part number H70MD030. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

It resists petroleum-based oils, propane and butane, and water. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to ozone and direct sunlight or automotive brake fluid will shorten service life.

The compound is metal detectable for HACCP and foreign-body control programs. You will find this material specified across construction equipment, automotive, and hydraulic and pneumatic systems.

Order part number H70MD030, sold individually. Nominal inside diameter is listed as 1 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H70MD030
Description
-030 BLACK BUNA 70D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
1.614 inch (41 mm)
Actual Outside Diameter
1.754 inch (44.55 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable