Difference betwee JIC 37 degree flare fittings and -an fittings
05-26-2006, 04:37 PM
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No difference.
"All AN fittings incorporate a 37-degree JIC flare."
"The U.S. armed forces have employed outside contractors to build equipment to their specifications for years. The acronym "AN" comes from the term Army/Navy and, to keep up with the ever-increasing demands placed on hydraulic equipment in battle, engineers devised certain parameters that any product must meet. The moniker "AN" was used to describe both the steel braided hose and aluminum fittings that transcended the military world into the automotive aftermarket over a period of years. The first AN hose and fittings used on a race car were probably some discarded aircraft equipment stripped from a decommissioned plane and sold to an eager racer at a fraction of its original cost. Although the armed forces still use equipment that employs AN fittings and hose, this technology can be seen more readily on the streets and racetracks nationwide."
"There are currently two types of fittings used on cars today: SAE and JIC. Every stock hose and fitting from the major auto manufacturers, with the exception of a few power-steering hoses, comes with an SAE standard, 45-degree flare on its end. All AN fittings incorporate a 37-degree JIC flare. The letters "JIC" stand for Joint Industry Council, which developed the standards for aircraft hose technology early in the 20th century. The reason for the 37-degree flare was simple. The JIC didn't want any automotive hoses or fittings to cross over to aircraft applications. This would prevent unsafe cost-cutting that might jeopardize aircraft safety. If you're building a car that combines AN hoses and fittings with custom-bent hard lines, be sure to use the correct 37-degree flaring tool on any intersecting fittings."
Lots more useful info here :
http://www.chevyhiperformance.com/howto/4399/
"All AN fittings incorporate a 37-degree JIC flare."
"The U.S. armed forces have employed outside contractors to build equipment to their specifications for years. The acronym "AN" comes from the term Army/Navy and, to keep up with the ever-increasing demands placed on hydraulic equipment in battle, engineers devised certain parameters that any product must meet. The moniker "AN" was used to describe both the steel braided hose and aluminum fittings that transcended the military world into the automotive aftermarket over a period of years. The first AN hose and fittings used on a race car were probably some discarded aircraft equipment stripped from a decommissioned plane and sold to an eager racer at a fraction of its original cost. Although the armed forces still use equipment that employs AN fittings and hose, this technology can be seen more readily on the streets and racetracks nationwide."
"There are currently two types of fittings used on cars today: SAE and JIC. Every stock hose and fitting from the major auto manufacturers, with the exception of a few power-steering hoses, comes with an SAE standard, 45-degree flare on its end. All AN fittings incorporate a 37-degree JIC flare. The letters "JIC" stand for Joint Industry Council, which developed the standards for aircraft hose technology early in the 20th century. The reason for the 37-degree flare was simple. The JIC didn't want any automotive hoses or fittings to cross over to aircraft applications. This would prevent unsafe cost-cutting that might jeopardize aircraft safety. If you're building a car that combines AN hoses and fittings with custom-bent hard lines, be sure to use the correct 37-degree flaring tool on any intersecting fittings."
Lots more useful info here :
http://www.chevyhiperformance.com/howto/4399/
