ИСО - 21 - Mechanical systems and components for general use

ICS	Поле
21.020	Characteristics and design of machines, apparatus, equipment Including reliability, dependability, maintainability, durability, etc. Safety of machinery, смотри 13.110
21.040	Screw threads Screw threads for aerospace construction, смотри 49.030.10
21.060	Fasteners Fasteners related to surgery, prosthetics and orthotics, смотри 11.040.40 Fasteners for aerospace construction, смотри 49.030
21.080	Hinges, eyelets and other articulated joints
21.100	Bearings
21.120	Shafts and couplings
21.140	Seals, glands Seals for pipe and hose assemblies, смотри 23.040.80
21.160	Springs Steels for springs, смотри 77.140.25
21.180	Housings, enclosures, other machine parts
21.200	Gears
21.220	Flexible drives and transmissions
21.240	Rotary-reciprocating mechanisms and their parts Including pistons, piston-rings, crankshafts, etc. for general engineering
21.260	Lubrication systems Lubricants, смотри 75.100