Category SAE Standards

Standard Overview SAE J51‑2015 covers reinforced hose and hose assemblies for conducting liquid and gaseous dichlorodifluoromethane (refrigerant 12, R12) in automotive air‑conditioning systems. The hose must minimize refrigerant permeation and system contamination while operating reliably from –30 °C to 120 °C (–22 °F to…

The SAE J517-2020 standard provides critical specifications for the most common hydraulic hoses used in mobile and stationary equipment. This revision introduces important changes, including the discontinuation of certain hose types and updates to pressure ratings. Understanding these requirements is…

The SAE J518-1-2023 standard defines the specifications for four-screw flange connections, widely recognized as Code 61 flanges, designed for hydraulic systems operating from 3.5 to 35 MPa (500 to 5000 psi). This standard covers flanged heads, flange clamps (FC, FCM),…

Scope and Key Specifications SAE J513 (2019) defines the complete general and dimensional specifications for flare-type refrigeration tube fittings used with flared annealed copper tubing. The standard covers a comprehensive range of fitting types, including connectors, unions, adaptors, elbows, tees,…

Overview of the SAE J514 Standard SAE J514 provides comprehensive general and dimensional specifications for 37-degree flared and flareless hydraulic tube fittings, O-ring plugs, pipe fittings, and adapter unions. This standard has been cancelled as of November 2024 and superseded…

🛠️ The latest revision of SAE J514/1-2024 introduces important updates for 37 degree flared metallic tube fittings with SAE J1926-3 stud ends. This standard is essential for engineers designing hydraulic and pneumatic systems in ground vehicles and other mobile equipment.…

The SAE J506 standard, reaffirmed in 1995, defines normal dimensions, tolerances, and specialized measurement techniques for sleeve type half bearings used in reciprocating machinery such as gasoline and diesel engines. This article explores the key characteristics, engineering principles, and common…

SAE J512-2022 provides the definitive general and dimensional requirements for tube fittings used in automotive, appliance, and allied industries. This reaffirmed standard (originally issued in 1912) consolidates specifications for flare type, inverted flared type, and tapered sleeve compression type fittings.…

SAE J501 is a mature standard that defines dimensional specifications for two common types of shaft ends used in universal joints and similar power transmission applications: permanent fit spline shaft ends and taper shaft ends. Stabilized in June 2014, this…

The SAE J502-2018 standard, stabilized in January 2018, provides the definitive specification for Woodruff keys used in surface vehicles and general mechanical assemblies. It defines material requirements, key dimensions, and corresponding keyway dimensions to ensure interchangeability, proper fit, and reliable…