5/16" ID x 1" OD x 1/16" NBR Nitrile Rubber Flat Washers Oil Resistant for Automotive Powersports Auto Electrical Battery Trays Industrial Repair 20 Pack
5/16" ID x 1" OD x 1/16" NBR Nitrile Rubber Flat Washers Oil Resistant for Automotive Powersports Auto Electrical Battery Trays Industrial Repair 20 Pack
These oil-resistant NBR (nitrile) rubber flat washers are designed for vibration isolation, spacing, sealing, and surface protection in automotive, powersports, auto electrical, HVAC, and industrial equipment. The 5/16" inside diameter fits common 5/16" bolts, while the oversized 1" outside diameter distributes clamping force over a larger surface area to help protect painted, coated, plastic, and metal components. Precision die-cut NBR rubber resists petroleum oils, grease, hydraulic fluids, moisture, and everyday shop environments. The 1/16" thickness provides controlled cushioning while helping reduce metal-to-metal contact, vibration, and wear. Each package includes 20 precision die-cut rubber flat washers ready for maintenance, fabrication, restoration, fleet service, and general repair applications.
Product Features
- Oil Resistant NBR Rubber Premium NBR (nitrile) rubber resists petroleum oils, grease, hydraulic fluids, moisture, and shop environments commonly found in automotive, industrial, and maintenance applications.
- Precision Size Precision die-cut washers measure 5/16" ID 1" OD 1/16" thick and fit standard 5/16" bolts, screws, studs, and fasteners while providing a large bearing surface.
- Vibration Isolation & Surface Protection Helps reduce vibration, rattles, abrasion, and metal-to-metal contact while protecting painted, coated, plastic, fiberglass, and aluminum surfaces.
- Automotive, Powersports & Industrial Ideal for automotive repairs, motorcycle fairings, ATV and UTV accessories, battery hold-downs, mounting brackets, electrical equipment, machinery, HVAC service, fabrication, and MRO maintenance.
- Metric Size 8 mm ID 25 mm OD 2 mm thick. Precision die-cut black NBR rubber washers with 6065 Shore A hardness.