Model: 620B6-6

Safety Relief Valve

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Packing retaining
Disk Loading Method
Spring
Maximum Operating Temp
-65.0 degrees fahrenheit 1st response
Maximum Operating Temp
225.0 degrees fahrenheit 2nd response
Connection Style
G5a flar (tube) all ends
Connection Style
Flar (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+430.0/+650.0 pounds per square inch
Adjustable Pressure Range
+430.0 to 650.0 pounds per square inch
Maximum Operating Pressure
650.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Aluminum alloy
Media For Which Designed
Water, fresh 2nd response
Media For Which Designed
Fuel/oil, hydrocarbon 1st response
Style Designator
Angle
Thread Series Designator
Unf all ends
NSN
4820-00-113-8276
Part Number
620B6-6
Description
Valve,safety Relief
CAGE
86768

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 620B6-6 NSN 4820-00-113-8276

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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:
Construction Materials

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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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