Model: 90AR494

Safety Relief Valve

Properties:

Pipe Size Accommodated

0.750 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Inside screw

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Connection Style

G46b plain (pipe) 1st end

Connection Style

Plain (pipe) 1st end

Valve Operation Method

Automatic or manual

Connection Type

Threaded external pipe 1st end

Adjustable Pressure Range

+105.0/+115.0 pounds per square inch

Maximum Operating Pressure

250.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Material

Copper alloy

Media For Which Designed

Air 1st response

Media For Which Designed

Fuel/oil, hydrocarbon 2nd response

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

NSN

4820-00-446-3311

Part Number

90AR494

Description

Valve,safety Relief

CAGE

6X081

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 90AR494 NSN 4820-00-446-3311

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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