-336 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.85 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
336
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
2 7/8 inch
Nominal Outside Diameter
3 1/4 inch
Unit of Measure
EA
SKU:
H70336
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Product Specification

-
Part number H70336 is an AS568-336 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.85 in (72.39 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.27 in (83.06 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The compound resists hydraulic fluids, propane and butane, and water. Buna-N (Nitrile) is known for strong abrasion and tear resistance, low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or ketones.

Maintenance and OEM teams specify it across general industrial maintenance, agricultural equipment, and construction equipment.

Reference part number H70336 when ordering; the item is sold individually. Unit weight is approximately 6.608 g. Review your operating media and conditions against this specification before installation.
Item
H70336
Description
-336 BLACK BUNA 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
2.85 inch (72.39 mm)
Actual Outside Diameter
3.27 inch (83.06 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity