-928 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.09 in ID x 0.118 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
928
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
2 3/4 inch
Nominal Outside Diameter
3 inch
Unit of Measure
EA
SKU:
H70928
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Product Specification

-
This o-ring is supplied in AS568-928 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 2.09 in (53.09 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 2.326 in (59.08 mm), catalogued under part number H70928. It creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against propane and butane, many alcohols, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or ozone and direct sunlight.

Typical settings include general industrial maintenance, automotive, and fluid power.

Reference part number H70928 when ordering; the item is sold individually. Unit weight is approximately 1.49 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H70928
Description
-928 BLACK BUNA 70D O-RING
Actual Cross Section
0.118 inch (3 mm)
Actual Inside Diameter
2.09 inch (53.09 mm)
Actual Outside Diameter
2.326 inch (59.08 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity