NA 054
DIN Standards Committee Plastics
Standards
[CURRENT]
WL 5.5709-2
WL 5.5709-2
Aerospace series - Rubber CR, 70 Shore A, weather resistant - O-rings
Title (German)
Luft- und Raumfahrt - CR-Elastomer, 70 Shore A, witterungsbeständig - O-Ringe