National Item Identification Number
01-442-1880
014421880
4820-01-442-1880
4820-01-442-1880
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)
63705
WALZ AND KRENZER INC
1390 MT READ BLVD
ROCHESTER
NY
14606
203-267-5712
63705
WALZ AND KRENZER INC
1390 MT READ BLVD
ROCHESTER
NY
14606
203-267-5712
63705
WALZ AND KRENZER INC
1390 MT READ BLVD
ROCHESTER
NY
14606
203-267-5712
Reference Numbers (Part Numbers)
D-WK-492-A71
D-WK-492-A71 PC11-9
D-WK-492-A71 PI
Required Categories
MATERIAL
VALVE DESIGN CONTROL ACTIVITY
PRESSURE CLASS
SPHERICAL DIAMETER
SPE
Required Description
STEEL CORROSION RESISTING
63705
800.0 POUNDS PER SQUARE INCH
0.500 INCHES NOM