National Item Identification Number
01-321-8371
013218371
4820-01-321-8371
4820-01-321-8371
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)
64484
SARGENT-WELCH SCIENTIFIC CO
7400 N LINDER AVE
1026
SKOKIE
IL
60077
847-676-8800
Reference Numbers (Part Numbers)
4-40-2000
Required Categories
MATERIAL
VALVE DESIGN CONTROL ACTIVITY
Required Description
STEEL
64484