-268 BLACK BUNA 90D O-RING

Buna-N O-Ring, 8.484 in ID x 0.139 CS, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
268
Durometer
90 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
8 1/2 inch
Nominal Outside Diameter
8 3/4 inch
Unit of Measure
EA
SKU:
H90268
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Product Specification

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H90268 is an AS568-268 black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 8.484 in (215.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.762 in (222.55 mm). In service, this 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, reliable performance in both static and dynamic service. This material stands up to propane and butane, greases and lubricants, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, automotive, and agricultural equipment.

Reference part number H90268 when ordering; the item is sold individually. Unit weight is approximately 8.712 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H90268
Description
-268 BLACK BUNA 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
8.484 inch (215.49 mm)
Actual Outside Diameter
8.762 inch (222.55 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity