National Item Identification Number
01-435-0429
014350429
4820-01-435-0429
4820-01-435-0429
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)
61661
61661
Reference Numbers (Part Numbers)
M31F10812 77
31F-CB2
Required Categories
MATERIAL
FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
MAXIMUM OPERATING TEM
Required Description
STEEL OVERALL
DISK
285.0 POUNDS PER SQUARE INCH 1ST RESPONSE
170.0 POUNDS PER