National Item Identification Number
01-515-1040
015151040
4820-01-515-1040
4820-01-515-1040
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)
39428
Reference Numbers (Part Numbers)
4721K12
Required Categories
MATERIAL
VALVE SIZE FOR WHICH DESIGNED
PRESSURE CLASS
SPECIAL FEATURES
III E
Required Description
PLASTIC
0.375 INCHES
150.0 POUNDS PER SQUARE INCH
MAX TEMP ALLOWED IS 140.0 D