National Item Identification Number
01-255-3615
012553615
4820-01-255-3615
4820-01-255-3615
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)
52837
WILDEN PUMP AND ENGINEERING CO
22069 VAN BUREN ST
GRAND TERRACE
CA
92313
909-422-1769
Reference Numbers (Part Numbers)
TF41
Required Categories
MATERIAL
VALVE DESIGN CONTROL ACTIVITY
VALVE MODEL NUMBER FOR WHICH DESIGNED;
Required Description
PLASTIC POLYAMIDE
52837
B20
DOUBLE DIAPHRAGM PUMPWILDEN ENGINEERING MODEL M8