Model: D564A4D20

Safety Relief Valve

Special Features:

Furnished w/deflector cap

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Maximum Operating Temp

150.0 degrees celsius single response

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

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.437 inches 1st end

Opening Pressure Setting

20.0 pounds per square inch

Outside Diameter Tube Accommodated

0.250 inches 1st end

Material

Aluminum alloy 2024 body

Material Specification

Qq-a-200/3, alloy2024, t4 federal specification single material response body

Style Designator

Straight through w/baffle

Thread Series Designator

Unf 1st end

NSN

4820-00-232-5486

Part Number

D564A4D20

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 D564A4D20 NSN 4820-00-232-5486

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

576

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