8-245 BLACK BUNA 90D BACK-UP RING

Name: 8-245 BLACK BUNA 90D BACK-UP RING
SKU: HB90245
Availability: InStock

Status

Available

Est. Ship Date

23 Oct 2026

Material

Buna-N (Nitrile / NBR)

Dash Size

245

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

1/8 inch

Nominal Inside Diameter

4 3/8 inch

Nominal Outside Diameter

4 5/8 inch

Unit of Measure

SKU:

HB90245

Please login to see price and add to cart

Product Specification

Item

HB90245

Description

8-245 BLACK BUNA 90D BACK-UP RING

Actual Cross Section

0.139 inch (3.53 mm)

Actual Inside Diameter

4.359 inch (110.72 mm)

Actual Outside Diameter

4.637 inch (117.78 mm)

FDA Compliant

Measurement System

Imperial

Metal Detectable

NSF Certified

Product Code

6002

Product Category

O-Rings - Backup Rings