HB 4294-1989
Active
Standards
Current Category: CN-HB - Aviation
HB 4305-1989
Active
HB 4305-1989 Square support guide plate
HB 4284.15-1989
Active
HB 4284.15-1989 Plastic Injection Mold Standard Part - Flat Pushrod
HB 5434.3-1989
Abolished
HB 5434.3-1989 Aeroplane brake material hardness test method
HB 4299-1989
Active
HB 4299-1989 Type C square connector plate
HB 4284.8-1989
Active
HB 4284.8-1989 Plastic Injection Mold Standard Parts With Shoulder Guide Bushings
HB 5434.8-1989
Abolished
HB 5434.8-1989 Aeronautical landing gear braking material density determination method
HB 4298-1989
Active
HB 4298-1989 Type B square connector plate
HB 4367-1989
Active
HB 4367-1989 A type round projection mold
HB 4297-1989
Active
HB 4297-1989 Type A square connector plate
HB 4302-1989
Active
HB 4302-1989 positive male-female mold support plate
HB 4284.1-1989
Active