ALL CATEGORIES

SHOP BY INDUSTRY

EXCLUSIVE BRANDS

NEW PRODUCTS

EXPLORE SOLUTIONS

CATALOG

DEALS

About Us

Careers

News & Press

Investor Relations

Distribution Centers

Help Center

My Account

My Orders

Track My Order

Shipping & Returns

Apply For Credit

International Sales

Sales Tax Info

W-9 Form

Catalog

Product Recall / Safety Info

Floor Care Machine Self-Service

Customer Support

Extended Service Plan

Limited Warranty Information

Affiliate Program

Government Sales

Resellers

Become A Supplier

Safety Services

Subject Matter Experts

Territory Sales Manager

Accessibility Options

eProcurement

Services

Inventory Clearance

Free Shipping

New Products

Knowledge Center

Industrial How-Tos

More Ways To Shop

U-cups have a sealing lip on both the inside and outside edges so that they can be used for rod and piston sealing.

Buna-N U-Cup Seal - 1/2&quot; ID x 3/4&quot; OD x 1/8&quot; Height - Pack of 5

buna-n-u-cup-seal-12-id-x-34-od-x-18-height-pack-of-5

Clearance Items

Customer Also Viewed

Save 15% Off

on all Auto-Reorders

with 5% off when you use your Global Industrial Credit Card.

% on your purchase when you use your Global Industrial Credit Card.

 suggested payments with 6 month special financing OR 

<a href="/knowledge-center">Knowledge Center</a>

<a href="/contactUs">Customer Support</a>

<a href="/account/browse-history">Browse History</a>