Product Details | SAFETY RELIEF VALVE

4820-00-505-7493 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: 720V100, 730176, 4820-00-505-7493, 00-505-7493, 4820005057493, 005057493

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 JUL 1974 00-505-7493

Drawings & Photos | NSN 4820-00-505-7493


Cross Reference | NSN 4820-00-505-7493

Part Number Cage Code Manufacturer
720V100 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
720V100 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
730176 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
730176 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4820-00-505-7493

Characteristic Specifications
STYLE DESIGNATOR B6 STRAIGHT THRU
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE G42 FLARED 1ST END G42 FLARED 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES 1ST END 0.625 INCHES 2ND END
THREAD SERIES DESIGNATOR UN 1ST END UNF 2ND END
NOMINAL THREAD SIZE 1.500 INCHES 1ST END 0.875 INCHES 2ND END
THREAD QUANTITY PER INCH 12 1ST END 14 2ND END
THREAD CLASS 3A 1ST END 3A 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
MANUFACTURERS CODE 11449
MFR SOURCE CONTROLLING REFERENCE 730176

Restrictions/Controls & Freight Information | NSN 4820-00-505-7493

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: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
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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