Product Details | STOP-CHECK VALVE

4820-01-273-0489 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: EA2325, 2363X, 8032177525, 803-2177525, 8032177525C735, 803-2177525-C735, 92363X, 9EA2325, 4820-01-273-0489, 01-273-0489, 4820012730489, 012730489

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01-273-0489

Drawings & Photos | NSN 4820-01-273-0489


Demand History | NSN 4820-01-273-0489

Part Number Request Date QTY Origin
8032177525 2025-06-156 2 us
4820-01-273-0489 2015-09-244 1 United States

Cross Reference | NSN 4820-01-273-0489

Part Number Cage Code Manufacturer
803-2177525-C7C5AF 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-273-0489

Characteristic Specifications
MATERIAL STEEL BODY STEEL COMP 420 FLOW CONTROL DEVICE STEEL COMP 316 STEM
STYLE DESIGNATOR E1A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 1.500 INCHES
FACE TO FACE DISTANCE 9.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.125 INCHES ALL ENDS
NOMINAL THICKNESS 0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.812 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 4.500 INCHES ALL ENDS
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.250 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER 2.875 INCHES ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
FEATURES PROVIDED BONNET PACKING

Restrictions/Controls & Freight Information | NSN 4820-01-273-0489

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
Category Code Description
No Freight Information