Product Details | CHECK VALVE

4820-00-127-2255 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: 838Y15IN, 838Y1-5IN, 4820-00-127-2255, 00-127-2255, 4820001272255, 001272255

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 MAR 1975 00-127-2255

Drawings & Photos | NSN 4820-00-127-2255


Cross Reference | NSN 4820-00-127-2255

Part Number Cage Code Manufacturer
838Y1-5IN 76278 ROCKWELL INTERNATIONAL CORP FLOW CONTROL DIV

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Technical Data | NSN 4820-00-127-2255

Characteristic Specifications
MATERIAL STEEL BODY COBALT ALLOY FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATOR E4 STRAIGHT THRU
FLOW CONTROL DEVICE PISTON
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 900.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE BUTT WELD PIPE 1ST END
CONNECTION STYLE B70B BEVELED 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 1.500 INCHES 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-127-2255

Category Code Description
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.
Precious Metals Indicator Code:UPrecious metal type is unknown
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
No Freight Information