Model: SS-4R3A1

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Stem
Bonnet Type
Inside spring
Bonnet Attachment Method
Pressure seal, ring type
Renewable Seat Ring Type
Bonded
Maximum Operating Temp
70.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Manual
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
8000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Rubber packing
Material
Steel comp 316 body
Material
Steel comp 316 flow control device
Material
Steel comp 316 seat
Material
Steel comp 316 stem
Material Specification
Astm a182 assn standard single material response body
Material Specification
Astm a479 assn standard single material response flow control device
Material Specification
Astm a479 assn standard single material response seat
Material Specification
Astm a479 assn standard single material response stem
Thread Series Designator
Npt all ends
NSN
4820-01-530-1785
Part Number
SS-4R3A1
Description
Valve,safety Relief
CAGE
02570

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 SS-4R3A1 NSN 4820-01-530-1785

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:
A
ESD:
A
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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