8-447 BLACK BUNA 90D BACK-UP RING

Name: 8-447 BLACK BUNA 90D BACK-UP RING
SKU: HB90447
Availability: InStock

Status

Available

Est. Ship Date

23 Oct 2026

Material

Buna-N (Nitrile / NBR)

Dash Size

447

Durometer

90 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

9 inch

Nominal Outside Diameter

9 1/2 inch

Unit of Measure

SKU:

HB90447

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Product Specification

Item

HB90447

Description

8-447 BLACK BUNA 90D BACK-UP RING

Actual Cross Section

0.275 inch (6.99 mm)

Actual Inside Diameter

8.975 inch (227.97 mm)

Actual Outside Diameter

9.525 inch (241.94 mm)

FDA Compliant

Measurement System

Imperial

Metal Detectable

NSF Certified

Product Code

6002

Product Category

O-Rings - Backup Rings