-236 WHITE BUNA 70D FDA O-RING

Buna-N O-Ring, 3.234 in ID x 0.139 CS, 70A, White, FDA, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
236
Durometer
70 Shore D
Cross Section Type
Round
Color
White
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
3 1/4 inch
Nominal Outside Diameter
3 1/2 inch
Unit of Measure
EA
SKU:
H70FDA236
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Product Specification

-
Part number H70FDA236 is an AS568-236 white Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 3.234 in (82.14 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.512 in (89.2 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. This material stands up to many alcohols, propane and butane, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to polar solvents or automotive brake fluid will shorten service life.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across automotive, construction equipment, and agricultural equipment.

This item is sold individually under part number H70FDA236. Unit weight is approximately 3.243 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70FDA236
Description
-236 WHITE BUNA 70D FDA O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
3.234 inch (82.14 mm)
Actual Outside Diameter
3.512 inch (89.2 mm)
FDA Compliant
Yes
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable