Value Collection BDNA--9981-1 O-ring Dash 016 Nitrile Buna-n

Product Description

The VALUE COLLECTION BDNA--9981-1 is a Dash 016 O-ring with a 5/8 inch inside diameter and a 1/16 inch wall thickness, featuring a round cross section. Constructed from Nitrile Butadiene Rubber (Buna-N), this O-ring delivers reliable sealing performance in applications involving petroleum-based fluids, water, and hydraulic media. Buna-N compounds are well suited for moderate-temperature service and resist compression set under typical operating conditions. Plumbers, HVAC technicians, and fluid-system technicians regularly use standard-dash O-rings for sealing fittings, valves, pumps, and connectors across a wide range of equipment.

This O-ring fits applications requiring a Dash 016 standard-size seal. The 5/8 inch ID and 1/16 inch cross-section thickness make it appropriate for use in residential and light commercial plumbing, HVAC refrigerant-side fittings, hydraulic systems, and pool or spa equipment where Buna-N compatibility with system fluids is confirmed. The round cross section ensures even load distribution around the groove seat for a consistent static or dynamic seal.

Key Features

• Dash 016 standard sizing: 5/8 inch inside diameter, 1/16 inch thickness
• Round cross section for uniform groove contact and consistent sealing pressure
• Nitrile Butadiene Rubber (Buna-N) material resists petroleum oils, hydraulic fluids, and water
• Suitable for static and low-dynamic sealing applications in plumbing, HVAC, and fluid-handling systems
• Lightweight at 0.01 pounds per unit — minimal handling considerations

Compatibility

Designed as an OEM-style replacement or service O-ring for any application requiring a Dash 016 round cross-section Buna-N seal. Verify fluid compatibility and groove dimensions before installation.

Installation Notes

O-rings of this type are installed by licensed plumbers, HVAC technicians, or qualified service personnel. Shut off fluid supply and relieve system pressure completely before replacing any O-ring seal. Lightly lubricate the O-ring with a compatible grease or fluid prior to seating to reduce the risk of tearing during assembly. Inspect the groove for nicks, corrosion, or debris before installing the new seal.