Product Details | CHECK VALVE

4820-01-444-7858 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: 9770K65, 4820-01-444-7858, 01-444-7858, 4820014447858, 014447858

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 MAY 1997 01-444-7858

Drawings & Photos | NSN 4820-01-444-7858


Demand History | NSN 4820-01-444-7858

Part Number Request Date QTY Origin
9770K65 2020-07-196 1 DIBBS
4820-01-444-7858 2016-06-174 1 DIBBS
4820-01-444-7858 2016-05-138 5 DIBBS

Cross Reference | NSN 4820-01-444-7858

Part Number Cage Code Manufacturer
9770K65 39428 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 4820-01-444-7858

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE
STYLE DESIGNATOR A4 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 1.000 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
END ITEM IDENTIFICATION 4920-01-347-1666; SUPPORT EQUIPMENT(SE) B-2 BOMBER AIRCRAFT

Restrictions/Controls & Freight Information | NSN 4820-01-444-7858

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 AH Defense Supply Center Columbus
Columbus, OH 43215
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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