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-209 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.671 in ID x 0.139 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Available
Est. Ship Date
23 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
209
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
1/8 inch
Nominal Inside Diameter
11/16 inch
Nominal Outside Diameter
15/16 inch
Unit of Measure
EA
SKU:
H70MD209
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Product Specification

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The H70MD209 is an AS568-209 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.671 in (17.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.949 in (24.1 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) delivers strong abrasion and tear resistance, reliable performance in both static and dynamic service. This material stands up to propane and butane, water, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.

This item is metal detectable for HACCP and foreign-body control programs. You will find this material specified across automotive, fluid power, and construction equipment.

Reference part number H70MD209 when ordering; the item is sold individually. 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
H70MD209
Description
-209 BLACK BUNA 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
0.671 inch (17.04 mm)
Actual Outside Diameter
0.949 inch (24.1 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable