National Item Identification Number
00-420-6719
004206719
4820-00-420-6719
4820-00-420-6719
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)
94874
DROITCOUR COMPANY
28 GRAYSTONE ST
WARWICK
RI
02886
401-737-4646
Reference Numbers (Part Numbers)
1721
Required Categories
MATERIAL
VALVE DESIGN CONTROL ACTIVITY
VALVE MODEL NUMBER FOR WHICH DESIGNED;
Required Description
STEEL CORROSION RESISTING
94874
1701
4500.0 POUNDS PER SQUARE INCH