Aerospace fluid systems. O-Rings, inch series. Inside diameters and cross sections, tolerances and size-identification codes - Standard tolerances for non-hydraulic systems Ingestion-build-190310 This three-digit number forms the

This three-digit number forms the second group of three (two plus one) digits in the 15-digit overall number

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colour fastness

BS EN 17126 provides a suspension test for establishing whether a chemical disinfectant has a sporicidal activity in the area and field

Aerospace fluid systems. O-Rings, inch series. Inside diameters and cross sections, tolerances and size-identification codes - Standard tolerances for non-hydraulic systems Ingestion-build-190310 This three-digit number forms the1 Scope This part of ISO 16031 specifies the inside diameters, cross sections, tolerances and size identification codes for inch O rings used in aerospace fluid systems intended for use in non hydraulic systems. This part of ISO 16031 is applicable, provided that suitable tooling is available, to O rings made from all other elastomeric materials other than nitrile and ethylene propylene materials, for which ISO 16031 1 specifies the dimensions.