-369 BLACK BUNA 70D O-RING

Buna-N O-Ring, 7.975 in ID x 0.21 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
369
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
3/16 inch
Nominal Inside Diameter
8 inch
Nominal Outside Diameter
8 3/8 inch
Unit of Measure
EA
SKU:
H70369
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Product Specification

-
The H70369 is an AS568-369 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.395 in (213.23 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) offers low compression set under sustained load and an economical choice for high-volume maintenance programs. Expect good resistance to water, many alcohols, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ketones or polar solvents.

Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and fluid power.

Reference part number H70369 when ordering; the item is sold individually. Unit weight is approximately 17.869 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70369
Description
-369 BLACK BUNA 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
7.975 inch (202.57 mm)
Actual Outside Diameter
8.395 inch (213.23 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity