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Description
2408X20 (commonly formatted as 2408-20) is the standard industry part number for a #20 Male JIC (SAE 37° Flare) Hex Head Hydraulic Plug.
It is engineered to thread directly into a matching female JIC opening to cap off and seal an open fluid line or port securely. The alphanumeric designation breaks down into these technical specifications:
Model & Spec Breakdown
- 2408 / 2408X (Series): Identifies the component as a Male JIC Flare Tube Plug. It utilizes a metal-to-metal 37-degree tapered cone nose to establish a reliable, high-pressure mechanical seal without requiring thread tape or liquid sealant.
- 20 (Size): Indicates the hydraulic fraction size in 16ths of an inch (
20/16″):- Tube Outer Diameter (O.D.): 1-1/4 inch.
- Thread Size: 1-5/8-12 UN/UNF straight threads.
- Hex Nut Size: Measures 1.688 inches (requires a 1-11/16″ wrench to tighten).
Key Performance Features
- High-Pressure Capability: Built from high-strength carbon steel to support modern high-pressure machinery, typically rated for dynamic working pressures up to 4,000 to 5,000 PSI with a 4:1 safety burst ratio.
- Standard Compliance: “The 2408-20 is a steel, SAE J514 37° flare plug with a male JIC connection.” -- [Brennan Industries]. It ensures reliable thread tolerances across demanding heavy equipment setups.
- Universal Interchangeability: Directly substitutes for equivalent part numbers across major fluid-power brands, including the Brennan 2408-20, Parker 20 PNTX-S, Gates 20MJ-Plug, Aeroquip 900599-20S, and Weatherhead 5229X20.
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