Buna-N O-Ring | 137mm ID x 4mm Wide | 70 Durometer (9/Pkg.) Chocks Upgrade your metal fastening with

Upgrade your metal fastening with our Thread Rolling Screws Phillips Pan Head

These 5/16"-18 Lock Nuts are manufactured from Aluminum

The black oxide finish adds a sleek appearance and extra protection against wear

The 1/4-20 UNC thread and 1/2" length provide a secure

364" inner diameter by 0

Buna-N O-Ring | 137mm ID x 4mm Wide | 70 Durometer (9/Pkg.) Chocks Upgrade your metal fastening withThese Buna N (Nitrile) o rings are precision molded to 137 mm inner diameter and 4 mm cross section, rated 70 Shore A. Provides oil, fuel, and hydraulic resistance for general purpose service, with a service range of 40F to +250F. Material: Buna N (Nitrile) Size: 137 mm inner diameter by 4 mm cross section Color: Black Applications: General purpose sealing in oil, fuel, and hydraulic systems Specifications Product type: O Ring Material: Buna N