Product Details | CHECK VALVE

4820-01-407-0939 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: PLC-11379 ASSY 20D, PLC11379ASSY20D, 20D 4IN, 20D4IN, 4820-01-407-0939, 01-407-0939, 4820014070939, 014070939

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 JAN 1995 01-407-0939

Drawings & Photos | NSN 4820-01-407-0939


Cross Reference | NSN 4820-01-407-0939

Part Number Cage Code Manufacturer
20D 4IN 99565 ADMIRAL VALVE, LLC DBA CPV MANUFACTURING
PLC-11379 ASSY 20D 99565 ADMIRAL VALVE, LLC DBA CPV MANUFACTURING

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Technical Data | NSN 4820-01-407-0939

Characteristic Specifications
MATERIAL COPPER ALLOY 922 BODY STEEL COMP 304 FLOW CONTROL DEVICE STEEL COMP 304 SEAT STEEL COMP 304 STEM
STYLE DESIGNATOR A6A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 4.000 INCHES
FACE TO FACE DISTANCE 7.000 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 9.000 INCHES ALL ENDS
NOMINAL THICKNESS 0.938 INCHES ALL ENDS
BOLT HOLE QUANTITY 8 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 7.500 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-01-407-0939

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-407-0939

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
F
EA : Each