National Item Identification Number
01-420-7982
014207982
4820-01-420-7982
4820-01-420-7982
National Stock Number
Item Name
VALVE,STOP-CHECK
Federal Supply Class
4820
Description
A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.
Commercial and Government Entity Code (Supplier Data)
99565
CPV MANUFACTURING INC
851 N PRESTON ST
PHILADELPHIA
PA
19104
215-386-6508
Reference Numbers (Part Numbers)
580-1-H AND PL-5443C
Required Categories
MATERIAL
STYLE DESIGNATOR
MEDIA FOR WHICH DESIGNED
MAXIMUM OPERATING PRESSURE
Required Description
COPPER ALLOY BODY
NICKEL ALLOY SEAT
STEEL COMP 316 STEM
E1 STRAIGHT THRU
WAT