Our Cam and Groove Couplings are produced to interchange dimensionally with the US Federal Military specification A-A-59326A (Former MIL-C-27487) or EN14420-7 (Former DIN2828). And maintained a certified quality management system according to the valid standard ISO 9001.

■ FEDERAL MIL A-A-59326A

The USA Military specification MIL-C-27487 specified the casting methods, materials, dimensions, machining tolerances, pressure ratings, inspection procedures and packing requirements of the cam & groove couplings. In 1998, a new Federal MIL A-A-59326A has replaced MIL-C-27487。

Federal MIL A-A-59326A guarantees interchangeability of couplings designed to the same specification. This American specification does not apply to the connection side, but only to the coupling side.

■EN 14420-7

The European specification EN 14420-7 was approved by CEN in September 2004. Cam & groove couplings produced to EN 14420-7 are interchangeable with those made to specifications MIL-C-27487 or MIL A-A-59326A, but hose tail design, thread, type and etc. are not specified.

A flat thread seal has been added to the female threaded parts, and a smooth hose shank complying with EN 14420-2 / DIN 2817 has been added for assembly with RK safety clamps complying with EN 14420-3 / DIN 2817.

The European specification EN 14420-7 replaces DIN2828 but does not replace Federal MILA-A-59326A / MIL-C-27487.

■ N.B. :

  • Cam & groove couplings must never be used for steam or compressed air applications for safety reason.
  • No standard exists for ½", 5", 8" , 10” couplings, and generally these sizes do not interchange with the couplings from other manufacturers.
  • The accessories like handles, pins, rings, safety pins, chains, bolts, seals are not standardized.