National Item Identification Number

01-520-7878
015207878
4820-01-520-7878
4820-01-520-7878

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)

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Reference Numbers (Part Numbers)

803-1385541
803-1385541-084AF

Required Categories

MATERIAL
STYLE DESIGNATOR
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
FLOW C

Required Description

COPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICK