Model: L70920-16SS105L

Safety Relief Valve

Special Features:

Ambient temp range -65 to +200 def feh; cooland fluid temp range -65 to +200 degrees feh; cooland fluid pressure range 0 psig to 155 psig; proof pressure is two times the max operating pressure at max operating temp; weight 23 ounces; material is al 2024-t351 per qq-a-250/4; fluid shall be compatible with a fluid conforming to gm 60031; dimension: body 3.55 inches in length; face to face outlets 5.70 inches; diameter 2.50; end connection conform to ms33656-16 typ

Properties:

Valve Discharge Flow Rate
22.0 gallons per minute
Maximum Operating Temp
200.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
End Application
Joint stars acft, e8 acft
Connection Style
G42 flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Maximum Operating Pressure
110.0 pounds per square inch single response
Opening Pressure Setting
110.0 pounds per square inch
Part Name Assigned By Controlling Agency
Valve, bypass, radar liquid cooling
Material
Aluminum alloy 2024 body
Reference Number Differentiating Characteristics
As differentiated by source control drawing
NSN
4820-01-479-6153
Part Number
L70920-16SS105L
Description
Valve,safety Relief
CAGE
01178

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 L70920-16SS105L NSN 4820-01-479-6153

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:
WH
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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