Model: S665-3-6D2

Safety Relief Valve

Special Features:

In-line valve, size y internal straight threads

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
121.0 degrees celsius single response
Minimum Operating Temp
40.0 degrees celsius
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Valve Size
0.375 inches
Adjustable Pressure Range
+40.0 to 125.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Aluminum alloy body
Material
Rubber synthetic seat
Material
Stainless steel flow control device
Media For Which Designed
Air 1st response
Media For Which Designed
Oil, hydraulic 2nd response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Si all ends
NSN
4820-01-630-2086
Part Number
S665-3-6D2
Description
Valve,safety Relief
CAGE
09990

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 S665-3-6D2 NSN 4820-01-630-2086

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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