National Item Identification Number
00-794-4991
007944991
4820-00-794-4991
4820-00-794-4991
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)
92003
92003
98897
98897
Reference Numbers (Part Numbers)
3-758-1-9
3-758-51-9
668391
668391-3
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
MEDIA FOR WHICH DESIGNED
MAXIMUM
Required Description
STEEL COMP 303 BODY
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
RUBBER BU
