Model: 537A6D30

Safety Relief Valve

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

G42 flared (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

18 1st end

Thread Size

0.562 inches 1st end

Seat Angle

37.0 degrees 1st end

Opening Pressure Setting

30.0 pounds per square inch

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Aluminum alloy 2024

Material Specification

Qq-a-225/6, alloy 2024 federal specification single material response

Surface Treatment

Anodize

Thread Series Designator

Unf 1st end

NSN

4820-00-864-7732

Part Number

537A6D30

Description

Valve,safety Relief

CAGE

91816

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 537A6D30 NSN 4820-00-864-7732

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