DD445S4700-20PC1

Safety Relief Valve

NSN 4820-00-273-1025

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

002731025

Technical Specifications of NSN

Thread Direction:

Right-hand 2nd end

Flow Control Device:

Poppet

Bonnet Type:

Inside screw

Bonnet Attachment Method:

Integral

Disk Loading Method:

Spring

Bolt Hole Quantity:

3 1st end

Connection Style:

G9 plain, optional en (pipe) 2nd end

Connection Style:

Plain, optional en (pipe) 2nd end

Valve Operation Method:

Automatic

Flange Shape:

Round with holes 1st end

Connection Type:

Flange 1st end

Connection Type:

Threaded internal pipe 2nd end

Features Provided:

Pressure tight outlet side

Adjustable Pressure Range:

+0.0/+12.0 pounds per square inch

Maximum Operating Pressure:

100.0 pounds per square inch single response

Thread Size:

0.500 inches 2nd end

Outside Diameter:

3.562 inches 1st end

Bolt Hole Diameter:

0.562 inches 1st end

Bolt Circle Diameter:

2.437 inches 1st end

Flange Face Design:

Plain 1st end

Material:

Copper alloy flow control device

Material:

Copper alloy seat

Material:

Copper alloy body

Material:

Stainless steel stem

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Angle

Thread Series Designator:

Npt 2nd end

NSN:

4820-00-273-1025

Item Name:

Transducer Safety Relief Valve

Cage Code:

80064

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Cage

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Status

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Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

127200

UFC:

64480

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Transducer Safety Relief Valve"

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.