Model: 53-720058-1

Safety Relief Valve
Description:

F-4e/rf-4c aircraft end item identification, automatic valve operation method, agav criticality code justification, ymanufacturers suggested name is valve-absolute pressure reducer .

Special Features:

Ymanufacturers suggested name is valve-absolute pressure reducer and relief; ambient temp -65 to +275 degrees feh; fluid -65 to +400 degrees feh; operating pressure 290 psia; proof 580 psia min; burst 1160 psia min; 2 ports, inlet and outlet

Properties:

End Application
F-4e/rf-4c aircraft
Valve Operation Method
Automatic
Criticality Code Justification
Agav
Material
Aluminum alloy 356.0 body
Material
Steel comp 440c flow control device
Material
Steel comp 440c seat
NSN
4820-00-001-9968
Part Number
53-720058-1
Description
Valve,safety Relief
CAGE

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 53-720058-1 NSN 4820-00-001-9968

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:
BF
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Trailers/Vehicles

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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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