Model: 1890828

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Valve Discharge Flow Rate
40.0 gallons per minute
End Application
Used in cylinder assembly p/n 1890365 onboard 270 ft wmec coast guard vessels
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
1.062 inches all ends
Outside Diameter Tube Accommodated
0.750 inches all ends
Material
Aluminum alloy body
Material
Steel flow control device
Media For Which Designed
Hydraulic fluid, petroleum base single response
Thread Series Designator
Ptf-sae short all ends
NSN
4820-01-118-5763
Part Number
1890828
Description
Valve,safety Relief
CAGE
03956

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 1890828 NSN 4820-01-118-5763

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

Material Classification

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

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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