National Item Identification Number
01-284-2171
012842171
4820-01-284-2171
4820-01-284-2171
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
Reference Numbers (Part Numbers)
803-2177525
803-2177525-S831
803-2177525S831
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
CONNECT
Required Description
STEEL CORROSION RESISTING BODY
A2 STRAIGHT THRU
DISK
MANUAL
UNTHREADED INTER
