Product Details | Y VALVE

4820-00-981-8440 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: 9624, 4820-00-981-8440, 00-981-8440, 4820009818440, 009818440

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 OCT 1966 00-981-8440

Drawings & Photos | NSN 4820-00-981-8440


Demand History | NSN 4820-00-981-8440

Part Number Request Date QTY Origin
9624 2011-11-315 1
9624 2011-11-306 1
9624 2011-09-271 1
9624 2011-09-271 1
9624 2010-08-235 2 US

Cross Reference | NSN 4820-00-981-8440

Part Number Cage Code Manufacturer
9624 80318 BTR VALVE SEALANTS INC

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Technical Data | NSN 4820-00-981-8440

Characteristic Specifications
MATERIAL STEEL BODY STEEL FLOW CONTROL DEVICE COBALT AND STEEL SEAT STEEL STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A182,GR F11 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A182,GR F11 ASSN STD SINGLE MATERIAL RESPONSE SEAT ASTM A182,GR F11 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR A8 STRAIGHT THRU Y-PATTERN
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 4500.0 POUNDS PER SQUARE INCH 1ST RESPONSE 10800.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 100.0 DEG FAHRENHEIT 1ST RESPONSE 100.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE UNTHREADED INTERNAL TUBE 1ST END
CONNECTION STYLE G20A SOCKET 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.500 INCHES ALL ENDS
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD WELDED
FEATURES PROVIDED BONNET PACKING

Restrictions/Controls & Freight Information | NSN 4820-00-981-8440

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