Product Details | SAFETY RELIEF VALVE

4820-01-040-1748 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: D533B2M200, 2665K136, 4820-01-040-1748, 01-040-1748, 4820010401748, 010401748

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 MAY 1977 01-040-1748

Drawings & Photos | NSN 4820-01-040-1748


Cross Reference | NSN 4820-01-040-1748

Part Number Cage Code Manufacturer
2665K136 U1605 HONEYWELL AEROSPACE UK DIV AEROSPACE -YEOVIL
D533B2M200 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
D533B2M200 K7277 TAMO LTD

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Technical Data | NSN 4820-01-040-1748

Characteristic Specifications
MATERIAL COPPER ALLOY 360 BODY
MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR C5 STRAIGHT THRU W/BAFFLE
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G46B PLAIN 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
MANUFACTURERS CODE 91816
DESIGN CONTROL REFERENCE D533B2M200

Restrictions/Controls & Freight Information | NSN 4820-01-040-1748

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
NMF Description 132740 VALVES GRAVITY FUEL OIL FLOW
Less than car load rating M 85
Less than truck load rating M 85.0
Water commodity Code 594 unknown
Originating Activity Code SU Ogden Air Logistics Center
Hill AFB, UT 84056-5609
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable