-335 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.725 in ID x 0.21 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
335
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 3/4 inch
Nominal Outside Diameter
3 1/8 inch
Unit of Measure
EA
SKU:
H70MD335

Product Specification

-
The H70MD335 is an AS568-335 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.725 in (69.22 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.145 in (79.88 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, water, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

This o-ring is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include construction equipment, hydraulic and pneumatic systems, and automotive.

Order part number H70MD335, sold individually. Nominal inside diameter is listed as 2 3/4 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H70MD335
Description
-335 BLACK BUNA 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
2.725 inch (69.22 mm)
Actual Outside Diameter
3.145 inch (79.88 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable