559T2MP25

Safety Relief Valve

NSN 4820-00-127-2180

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
001272180

Product Technical Spec.

Pipe Size Accommodated:
0.250 inches 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Maximum Operating Temp:
250.0 degrees fahrenheit 1st response
Maximum Operating Temp:
250.0 degrees fahrenheit 2nd response
Maximum Operating Temp:
250.0 degrees fahrenheit 3rd response
Maximum Operating Temp:
250.0 degrees fahrenheit 4th response
Connection Style:
G46b plain (pipe) 1st end
Connection Style:
Plain (pipe) 1st end
Valve Operation Method:
Air
Connection Type:
Threaded external pipe 1st end
Thready Qty Per Inch (tpi):
18 1st end
Power Drive Operating Pressure:
200.0 pounds per square inch
Thread Size:
0.250 inches 1st end
Material:
Steel
Media For Which Designed:
Air 1st response
Media For Which Designed:
Ammonia, liquid 2nd response
Media For Which Designed:
Gas, inert 3rd response
Media For Which Designed:
Hydrogen 4th response
Style Designator:
Straight thru
Thread Series Designator:
Npt 1st end
NSN:
4820-00-127-2180
Item Name:
Valve,relief,pressure
Cage Code:
91816

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): "Pressure 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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