-207 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.546 in ID x 0.139 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
207
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
9/16 inch
Nominal Outside Diameter
13/16 inch
Unit of Measure
EA
SKU:
H70207
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Product Specification

-
APG stocks the H70207, an AS568-207 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.546 in (13.87 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.824 in (20.93 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The compound resists hydraulic fluids, greases and lubricants, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.

You will find this material specified across construction equipment, fluid power, and agricultural equipment.

Reference part number H70207 when ordering; the item is sold individually. Unit weight is approximately 0.6673 g and nominal inside diameter is listed as 9/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70207
Description
-207 BLACK BUNA 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
0.546 inch (13.87 mm)
Actual Outside Diameter
0.824 inch (20.93 )
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity