You have no items in your shopping cart.

-046 BLACK BUNA 70D O-RING

Buna-N O-Ring, 4.239 in ID x 0.07 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
46
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
1/16 inch
Nominal Inside Diameter
4 1/4 inch
Nominal Outside Diameter
4 3/8 inch
Unit of Measure
EA
SKU:
H70MD046

Product Specification

-
This o-ring is supplied in AS568-046 black Buna-N (Nitrile) 70 Shore A with an inside diameter of 4.239 in (107.67 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.379 in (111.23 mm), catalogued under part number H70MD046. It delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to greases and lubricants, propane and butane, and water. That behavior comes from the compound itself: Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

This o-ring is metal detectable for HACCP and foreign-body control programs. It sees regular use in fluid power, general industrial maintenance, and agricultural equipment.

H70MD046 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70MD046
Description
-046 BLACK BUNA 70D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
4.239 inch (107.67 mm)
Actual Outside Diameter
4.379 inch (111.23 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable