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4820-01-457-0539

Stop-Check Valve

4820014570539 014570539

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. View more Stop-Check Valve

Managed by United States

NSN Created on 9 Jul 1998

Data Last Changed
November 2023

NATO Update Count
2

NATO Data Quality

4820-01-457-0539 VALVE,STOP-CHECK 4820014570539 014570539 1/1 — NSN 4820-01-457-0539 (Generic Image) 1/1

Marketplace 4820-01-457-0539

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Restrictions 4820-01-457-0539

4820-01-457-0539 is a Stop-Check Valve that does not have a nuclear hardened feature, but does have another critical feature or features such as tolerance, fit restriction or application. This item is a US Munitions List or Commerce Control List Item where the Item Manager, Equipment Specialist or Product Specialist must provide special demilitarization instructions. This item is not suspected to be hazardous. This item does not contain a precious metal.

Management Data 4820-01-457-0539

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2000: Department of the Navy (DN); EA; Subscribe; 1

MOE: USC; Code; Statement; Order of Use; Jump To Code; Qty Per Assy; UOM; Technical Document; Quantative Expression
Department of the Navy (DN): L; N; Disposal