National Item Identification Number
00-187-6698
001876698
4820-00-187-6698
4820-00-187-6698
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)
04537
ATWOOD & MORRILL CO. INC.
DBA WEIR VALVES AND CONTROLS USA
285 CANAL ST
SALEM
MA
01970
978-744-5690
Reference Numbers (Part Numbers)
4578FNPP
Required Categories
MATERIAL
STYLE DESIGNATOR
OFFSET DISTANCE
VALVE SIZE
FACE TO FACE DISTANCE;
Required Description
NICKEL ALLOY 400 BODY
NICKEL ALLOY 400 STEM
E6A STRAIGHT THRU W/OFFSET FLANGED