Model: R575

Safety Relief Valve

Properties:

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
100.0 degrees fahrenheit single response
Connection Style
G5a flar (tube) 1st end
Connection Style
Flar (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal tube 1st end
Mounting Facility
Threaded fastener
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+1350.0/+4500.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Aluminum alloy body
Material
Stainless steel seat
Material
Stainless steel stem
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Style Designator
Straight through w/baffle
Thread Series Designator
Unf 1st end
NSN
4820-00-516-4407
Part Number
R575
Description
Valve,safety Relief
CAGE
81982

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 R575 NSN 4820-00-516-4407

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
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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