Model: 303-12746

Safety Relief Valve

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
30.0 gallons per minute
Maximum Operating Temp
80.0 degrees celsius single response
Minimum Operating Temp
-30.0 degrees celsius
End Application
Alofts sonar system, model 980 (v1)
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded cartridge 1st end
Mounting Facility
Panel
Maximum Operating Pressure
4600.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Part Name Assigned By Controlling Agency
Valve, hydraulic, pressure relief
Material
Steel body
Media For Which Designed
Hydraulic fluid, petroleum base single response
Thread Series Designator
Bsp.F 1st end
NSN
4820-01-523-9084
Part Number
303-12746
Description
Valve,safety Relief
CAGE
3AJ77

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 303-12746 NSN 4820-01-523-9084

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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