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- NSN 4820-01-058-7171
4820-01-058-7171
Description: Check Valve
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Export Restrictions
Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)
4820-01-058-7171 Properties
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NSN:4820-01-058-7171
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Description:Check Valve
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Shelf Life:N/A
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DEMIL:NO
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UOM:1 EA
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Flow Control Device:Poppet
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Disk Loading Method:Spring
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Renewable Seat Ring Type:Pressed-in
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Valve Operation Method:Automatic
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Mounting Position:Vertical
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Criticality Code Justification:Feat and spcl
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Special Features:Valve shall flow 29 lbs per minute with 14 psig max pressure drop, valve opening pressure shall not exceed 5.0 psig and shall be fully closed /zero leakage/ at 3.0 psig whenactuated in the closing direction
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Special Test Features:Orient valve with large end down and apply test pressure to small end of valve using mil-l-7808 oil at 180 degrees f /or equivalent/ for all test conditions













