Model: D524A6D19

Safety Relief Valve

Special Features:

6th media oxygen, gaseous

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
G43 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Maximum Operating Pressure
30.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
19.0 pounds per square inch
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/4, t4 federal specification single material response
Media For Which Designed
Air 1st response
Media For Which Designed
Carbon dioxide 2nd response
Media For Which Designed
Helium 3rd response
Media For Which Designed
Hydrogen 4th response
Media For Which Designed
Nitrogen, gaseous 5th response
Surface Treatment
Anodize
Thread Series Designator
Unjf 1st end
NSN
4820-01-054-6657
Part Number
D524A6D19
Description
Valve,safety Relief
CAGE
91816

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 D524A6D19 NSN 4820-01-054-6657

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:
U
ESD:
ESD:
MMAC:
XZ
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
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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