You have no items in your shopping cart.

-430 BLACK BUNA 70D O-RING

Buna-N O-Ring, 5.1 in ID x 0.275 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
430
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
1/4 inch
Nominal Inside Diameter
5 1/8 inch
Nominal Outside Diameter
5 5/8 inch
Unit of Measure
EA
SKU:
H70MD430

Product Specification

-
APG stocks the H70MD430, an AS568-430 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 5.1 in (129.54 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.65 in (143.51 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. This material stands up to hydraulic fluids, petroleum-based oils, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.

The compound is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include automotive, fluid power, and agricultural equipment.

Stocked as H70MD430 and sold individually. Nominal inside diameter is listed as 5 1/8 inch. Review your operating media and conditions against this specification before installation.
Item
H70MD430
Description
-430 BLACK BUNA 70D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
5.1 inch (129.54 mm)
Actual Outside Diameter
5.65 inch (143.51 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable