Model: 537T-4D-12

Safety Relief Valve

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Stem

Connection Style

G46a plain (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.500 inches all ends

Material

Steel comp 303 body or steel body

Thread Series Designator

Npt all ends

NSN

4820-01-249-5311

Part Number

537T-4D-12

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 537T-4D-12 NSN 4820-01-249-5311

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