Product Details | Y VALVE

4820-00-051-1829 A valve with one inlet and one outlet connection that provides unobstructed fluid flow. The flow is controlled by the action of a stem which lifts disk perpendicularly off center axis of its seat. The stem is at angle of less than 90 degrees (1.5708 radians) to parallel inlet and outlet flow. It may utilize a diaphragm as packing. Excludes VALVE, STOP-CHECK.

Part Alternates: 353B, 4820-00-051-1829, 00-051-1829, 4820000511829, 000511829

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1961 00-051-1829

Drawings & Photos | NSN 4820-00-051-1829


Cross Reference | NSN 4820-00-051-1829

Part Number Cage Code Manufacturer
353B 98518 WALWORTH-ALOYCO

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Technical Data | NSN 4820-00-051-1829

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY RUBBER SYNTHETIC FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR A8 STRAIGHT THRU Y-PATTERN
FACE TO FACE DISTANCE 12.500 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 7.500 INCHES 1ST END
BOLT HOLE QUANTITY 4 1ST END
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 6.000 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD BOLTED
FEATURES PROVIDED BONNET PACKING
SPECIAL FEATURES FOR 3 IN. NOM PIPE SIZE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY PACS AAJJ AND FEAT
MANUFACTURERS CODE 98518
DESIGN CONTROL REFERENCE 353B

Restrictions/Controls & Freight Information | NSN 4820-00-051-1829

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