Product Details | SAFETY RELIEF VALVE

4820-00-124-9745 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: SCD103021, SCD10302-1, 559B2M1PSI, 4820-00-124-9745, 00-124-9745, 4820001249745, 001249745

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 NOV 1968 00-124-9745

Drawings & Photos | NSN 4820-00-124-9745


Demand History | NSN 4820-00-124-9745

Part Number Request Date QTY Origin
4820-00-124-9745 2018-12-360 1 DIBBS
4820-00-124-9745 2018-12-360 2 DIBBS
4820-00-124-9745 2010-05-128 1 DIBBS

Cross Reference | NSN 4820-00-124-9745

Part Number Cage Code Manufacturer
559B2M1PSI 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
SCD10302-1 04984 CELTECH CORPORATION DBA SPACE DIVISION

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Technical Data | NSN 4820-00-124-9745

Characteristic Specifications
MATERIAL COPPER ALLOY BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT COPPER ALLOY STEM
STYLE DESIGNATOR C6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE G46A PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.250 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 1.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 0.0 TO 200.0 POUNDS PER SQUARE INCH
MINIMUM OPERATING TEMP -40.0 DEG FAHRENHEIT
MANUFACTURERS CODE 04984
MFR SOURCE CONTROLLING REFERENCE SCD10302-1

Restrictions/Controls & Freight Information | NSN 4820-00-124-9745

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: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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code SG 403 SCMS/GUED
5215 Thurlow St, Suite 5, Bldg 70C
Wright-Patterson AFB OH 45433
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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