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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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