1478

Safety Relief Valve

NSN 4820-00-188-8154

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
001888154

Product Technical Spec.

Pipe Size Accommodated:
1.500 inches 1st end
Pipe Size Accommodated:
1.500 inches 2nd end
Thread Direction:
Right-hand 2nd end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Threaded
Disk Loading Method:
Spring
Maximum Operating Temp:
406.0 degrees fahrenheit single response
Connection Style:
G46b plain (pipe) 2nd end
Connection Style:
G9 plain, optional en (pipe) 1st end
Connection Style:
Plain (pipe) 2nd end
Connection Style:
Plain, optional en (pipe) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded external pipe 2nd end
Connection Type:
Threaded internal pipe 1st end
Features Provided:
Pressure tight outlet side
Thready Qty Per Inch (tpi):
11-1/2 1st end
Thready Qty Per Inch (tpi):
11-1/2 2nd end
Maximum Operating Pressure:
300.0 pounds per square inch single response
Thread Size:
1.500 inches 1st end
Thread Size:
1.500 inches 2nd end
Opening Pressure Setting:
120.0 pounds per square inch
Material:
Copper alloy flow control device
Material:
Copper alloy seat
Material:
Copper alloy body
Material:
Steel stem
Media For Which Designed:
Water-oil-gas single response
Style Designator:
Angle
Thread Series Designator:
Npt 2nd end
Thread Series Designator:
Npt 1st end
NSN:
4820-00-188-8154
Item Name:
Multi-float Switch
Cage Code:
38056

Cross Referenced Parts

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): "Multi-float Switch"

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:
User:
BRAZIL Brazil
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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