National Item Identification Number
00-189-4937
001894937
4820-00-189-4937
4820-00-189-4937
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)
53711
53711
53711
Reference Numbers (Part Numbers)
803-4384536
803-4384536-34A22
810-1385722
810-1385722
810-4384536
810-43845
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
FLOW CONTROL D
Required Description
COPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICK