-341 WHITE BUNA 70D FDA O-RING

Buna-N O-Ring, 3.475 in ID x 0.21 CS, 70A, White, FDA, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
341
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
3/16 inch
Nominal Inside Diameter
3 1/2 inch
Nominal Outside Diameter
3 7/8 inch
Unit of Measure
EA
SKU:
H70FDA341
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Product Specification

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This o-ring is supplied in AS568-341 white Buna-N (Nitrile) 70 Shore A with an inside diameter of 3.475 in (88.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.895 in (98.93 mm), catalogued under part number H70FDA341. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to many alcohols, petroleum-based oils, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.

This o-ring meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across agricultural equipment, construction equipment, and hydraulic and pneumatic systems.

Reference part number H70FDA341 when ordering; the item is sold individually. Unit weight is approximately 8.324 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H70FDA341
Description
-341 WHITE BUNA 70D FDA O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
3.475 inch (88.27 mm)
Actual Outside Diameter
3.895 inch (98.93 mm)
FDA Compliant
Yes
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable