External C-Style Ring, Steel Black Phosphate Finish, 5/16 in Shaft Dia, 50 PK MPN:C-31ST PA
External C-Style Ring, Steel Black Phosphate Finish, 5/16 in Shaft Dia, 50 PK
This external C-style retaining ring is designed to securely hold parts in place on 5/16 inch shafts. Made from steel with a durable black phosphate finish, it provides long-lasting performance in a variety of applications. The ring's crescent shape allows for easy installation and removal, while its precision dimensions ensure a secure fit in grooves with specific diameters and widths. Suitable for use in industrial and mechanical applications, this retaining ring helps prevent parts from coming loose, reducing wear and tear on machinery and equipment. It's an essential component for engineers and technicians working with rotating equipment and assemblies.
Top product features:
- Retains components in place on a shaft due to its crescent shape and friction fit.
- Provides a secure fit on a 5/16 inch shaft diameter.
- Has a black phosphate finish for corrosion resistance.
Top product applications:
- Automotive applications, such as engine mountings and suspension components
- Industrial machinery, like gearboxes and pumps, where precise shaft retention is required
- Aerospace engineering, for securing components like propellers and gearboxes
Retaining Ring, System of Measurement Inch, Location Style External, Thickness 0.025 in, Fits Shaft Diameter 5/16 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.276 in, Fits Groove Width 0.029 in, Fits Groove Depth 0.018 in, Free Inside Diameter 0.27 in, Free Outside Diameter 0.376 in, Clearance Diameter 0.39 in, Material Steel, Finish Black Phosphate, Material Grade/Class Not Graded, Tensile Strength Not Applicable, Ring Type Crescent Retaining Ring
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 5 days
- Minimum Order Quantity: 2
- Unit of Measure: PK
- Package Length: 5.00
- Package Width: 3.00
- Package Height: 0.25
- Package Weight: 0.02
Product info last updated on February 26, 2026 11:05am UTC
Category: Retaining Rings