Model: 1573-2-35

Safety Relief Valve

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Valve Discharge Flow Rate

5.0 cubic feet per minute

Connection Style

G50 external seat for gasket seal (boss) 1st end

Connection Style

External seat for gasket seal (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 1st end

Thread Size

0.562 inches 1st end

Opening Pressure Setting

35.0 pounds per square inch

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Aluminum alloy 2024 seat

Material

Aluminum alloy 2024 body

Material Specification

Qq-a-250/4, alloy2024 federal specification single material response body

Material Specification

Qq-a-250/4, alloy2024 federal specification single material response seat

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 1 military specification single treatment response

Style Designator

Angle

Thread Series Designator

Unjf 1st end

NSN

4820-00-755-7085

Part Number

1573-2-35

Description

Valve,safety Relief

CAGE

06177

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 1573-2-35 NSN 4820-00-755-7085

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:

Construction Materials

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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