8-278 BLACK BUNA 90D BACK-UP RING

Name: 8-278 BLACK BUNA 90D BACK-UP RING
SKU: HB90278
Availability: InStock

Status

Available

Est. Ship Date

23 Oct 2026

Material

Buna-N (Nitrile / NBR)

Dash Size

278

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

12 inch

Nominal Outside Diameter

12 1/4 inch

Unit of Measure

SKU:

HB90278

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Product Specification

Item

HB90278

Description

8-278 BLACK BUNA 90D BACK-UP RING

Actual Cross Section

0.139 inch (3.53 mm)

Actual Inside Diameter

11.984 inch (304.39 mm)

Actual Outside Diameter

12.262 inch (311.45 mm)

FDA Compliant

Measurement System

Imperial

Metal Detectable

NSF Certified

Product Code

6002

Product Category

O-Rings - Backup Rings