ISO 7661:1984

Aerospace — Fluid systems — Clamp blocks for tube lines having axial alignment — Design standard and qualification testing — Metric series

Gives definitions for these clamps with or without electrical grounding, designed for a range of tube outside diameters from 4 to 32 mm selected from ISO 2964, and lays down the dimensions of clamp blocks and specifies the test methods for qualification testing. Furthermore gives classification and temperature conditions.