-315 BLACK BUNA 90D O-RING

Buna-N O-Ring, 0.787 in ID x 0.21 CS, 90A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
4 Feb 2027
Material
Buna-N (Nitrile / NBR)
Dash Size
315
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
3/16 inch
Nominal Inside Diameter
13/16 inch
Nominal Outside Diameter
1 3/16 inch
Unit of Measure
EA
SKU:
H90315
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Product Specification

-
Ordered as H90315, this is an AS568-315 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 0.787 in (19.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.207 in (30.66 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Expect good resistance to petroleum-based oils, many alcohols, and greases and lubricants. 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 ozone and direct sunlight or polar solvents.

Common environments for this compound include general industrial maintenance, hydraulic and pneumatic systems, and automotive.

Reference part number H90315 when ordering; the item is sold individually. Unit weight is approximately 2.3986 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
H90315
Description
-315 BLACK BUNA 90D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
0.787 inch (19.99 mm)
Actual Outside Diameter
1.207 inch (30.66 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity