Eaton Hansen 4HP10SL Steel ISO-B Interchange Hydraulic Fitting, Sleeve Lock Socket with Valve, 7/8'-14 SAE Female, 1/2' Body: Quick Connect Hose Fittings: Industrial & Scientific. Eaton Hansen 4HP10SL Steel ISO-B Interchange Hydraulic Fitting, Sleeve Lock Socket with Valve, 7/8"-14 SAE Female, 1/2" Body: Quick Connect Hose Fittings: Industrial & Scientific. Eaton HK-series interchange hydraulic fitting sleeve lock socket with valve coupling sets the industry standard for ISO B coupling. The HK-series features a rugged ball latch mechanism with automatic self-sealing poppet valves in a wide array of port configurations and multiple valved and non-valved configurations. Meets dimensional requirements to ISO standard 7241-1 Series B. The coupling that sets the industry standard. Self-sealing poppet valve design provides excellent high and low pressure sealing. Standard body material: zinc trivalent plated steel with stainless steel springs, balls and retaining rings. Applications and markets: agriculture, hydraulic tool, general industry, construction, fluid transfer, transportation, military, law enforcement and rescue, chemical, oil and gas, consumer products, HVAC, food and beverage, trucks, aerospace, medical. Standard seal material: Buna-N seal. Measures 1-55/64-inches diameter by 3-3/64-inches length. 。 。 。