National Item Identification Number
01-447-3105
014473105
4820-01-447-3105
4820-01-447-3105
National Stock Number
Item Name
BALL,CHECK
Federal Supply Class
4820
Description
A spherical shaped device that may be of solid or hollow construction. It is designed to seat in an opening thereby preventing the passage of fluid. It may be used with a spring enabling the ball to become unseated at a predetermined pressure as exerted by the fluid flow and to become reseated in the absence of fluid pressure. For valve balls that include ports see BALL, VALVE, PORTED.
Commercial and Government Entity Code (Supplier Data)
55820
Reference Numbers (Part Numbers)
169909-1
Required Categories
MATERIAL
SPHERICAL DIAMETER
SPECIAL FEATURES
Required Description
STEEL CORROSION RESISTING
8.0 MILLIMETERS NOMINAL
HARDNESS HEAT TREAT 58-65 HR
