658074-3

Safety Relief Valve

NSN 4820-00-023-7140

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

000237140

Technical Specifications of NSN

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Connection Style:

G42 flared (tube) 1st end

Connection Style:

Flared (tube) 1st end

Valve Operation Method:

Automatic

Features Provided:

Valve stem lock shield and bonnet packing and pressure tight outlet side

Thready Qty Per Inch (tpi):

18 1st end

Adjustable Pressure Range:

+41.0 to 47.0 pounds per square inch

Maximum Operating Pressure:

347.0 pounds per square inch single response

Thread Size:

0.437 inches 1st end

Seat Angle:

37.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.250 inches 1st end

Material:

Aluminum alloy body

Material:

Aluminum alloy flow control device

Material:

Aluminum alloy seat

Style Designator:

A1 straight thru

Style Designator:

Straight thru

Thread Series Designator:

Unf 1st end

NSN:

4820-00-023-7140

Item Name:

Transducer Safety Relief Valve

Cage Code:

98897

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

P37-220

Cage Code:

91816

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

576

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.