Product Details | SAFETY RELIEF VALVE

4820-01-272-8735 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: D5200-03 1/2IN AND D1200, D52000312INANDD1200, D52UU-03 1/2IN AND D1200, D52UU0312INANDD1200, 4820-01-272-8735, 01-272-8735, 4820012728735, 012728735

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16-FEB-88 01-272-8735

Drawings & Photos | NSN 4820-01-272-8735


Demand History | NSN 4820-01-272-8735

Part Number Request Date QTY Origin
4820-01-272-8735 2013-05-140 2 DIBBS
4820-01-272-8735 2013-04-112 1 DIBBS
4820-01-272-8735 2012-07-206 2 DIBBS
4820-01-272-8735 2012-06-164 3 DIBBS

Cross Reference | NSN 4820-01-272-8735

Part Number Cage Code Manufacturer
BUSAA03SCC 5P967 DANTE VALVE COMPANY INC
BUSAA03SCC 65079 DANCO VALVE COMPANY
D1200 REV N/BUSAA03SCC 5P967 DANTE VALVE COMPANY INC
D1200 REV N/BUSAA03SCC 65079 DANCO VALVE COMPANY

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Technical Data | NSN 4820-01-272-8735

Characteristic Specifications
MATERIAL BRONZE BODY NICKEL ALLOY FLOW CONTROL DEVICE RUBBER PACKING NICKEL ALLOY SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED GAS, INERT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH 1ST RESPONSE 200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT 1ST RESPONSE 425.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLE G21A STREAMLINED WITH ONE BRAZING RING ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES ALL ENDS
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 13.0 TO 23.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER

Restrictions/Controls & Freight Information | NSN 4820-01-272-8735

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
No Freight Information