National Item Identification Number

01-255-3388
012553388
4820-01-255-3388
4820-01-255-3388

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)

803-2177934
803-2177934-C331

Required Categories

MATERIAL
STYLE DESIGNATOR
VALVE SIZE
FLOW CONTROL DEVICE
CONNECTION TYPE
CO

Required Description

COPPER ALLOY OVERALL
E1 STRAIGHT THRU
0.750 INCHES
DISK
UNTHREADED INTERNAL