1556HA

Safety Relief Valve

NSN 4820-00-066-2359

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
000662359

Product Features

1st connection face to center line distance5.562 in. 2nd connection face to centerlinedistance 6.250 in.

Detail Specifications

Flow Control Device:
Disk
Bonnet Type:
Exposed spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Maximum Operating Temp:
650.0 degrees fahrenheit single response
Valve Operation Method:
Automatic
Flange Shape:
Round 1st end
Connection Type:
Flange 2nd end
Connection Type:
Flange 1st end
Features Provided:
Pressure tight outlet side
Maximum Operating Pressure:
900.0 pounds per square inch single response
Opening Pressure Setting:
900.0 pounds per square inch
Outside Diameter:
7.000 inches 1st end
Outside Diameter:
7.500 inches 2nd end
Flange Face Design:
Raised straight 1st end
Flange Face Design:
Raised straight 2nd end
Raised Face Height:
0.062 inches 2nd end
Raised Face Height:
0.625 inches 1st end
Raised Face Diameter:
2.875 inches 1st end
Raised Face Diameter:
5.000 inches 2nd end
Material:
Steel body
Material:
Stainless steel flow control device
Material:
Stainless steel seat
Style Designator:
Angle
NSN:
4820-00-066-2359
Item Name:
Safety Relief Valve,transducer
Cage Code:
02750

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Transducer Safety Relief Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
TENNESSEE VALLEY AUTHORITY Tennessee Valley Authority
DSOR:
Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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