79-12-95PSI

Safety Relief Valve

NSN 4820-00-142-1515

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

001421515

Detail Specifications

Pipe Size Accommodated:

0.500 inches 1st end

Pipe Size Accommodated:

0.500 inches 2nd end

Thread Direction:

Right-hand 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Maximum Operating Temp:

100.0 degrees fahrenheit 1st response

Maximum Operating Temp:

100.0 degrees fahrenheit 3rd response

Maximum Operating Temp:

400.0 degrees fahrenheit 2nd response

Connection Style:

G46b plain (pipe) 2nd end

Connection Style:

G9 plain, optional en (pipe) 1st end

Connection Style:

Plain (pipe) 2nd end

Connection Style:

Plain, optional en (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 2nd end

Connection Type:

Threaded internal pipe 1st end

Features Provided:

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

Adjustable Pressure Range:

+61.0/+120.0 pounds per square inch

Adjustable Pressure Range:

+61.0 to 120.0 pounds per square inch

Maximum Operating Pressure:

250.0 pounds per square inch 2nd response

Maximum Operating Pressure:

300.0 pounds per square inch 1st response

Maximum Operating Pressure:

300.0 pounds per square inch 3rd response

Thread Size:

0.500 inches 1st end

Thread Size:

0.500 inches 2nd end

Material:

Copper alloy flow control device

Material:

Copper alloy 836 body

Material:

Copper alloy 836 seat

Material:

Steel stem

Material Specification:

Qq-c-290, alloyb5/d/ federal specification single material response seat

Material Specification:

Qq-c-390, alloyb5/d/ federal specification single material response body

Media For Which Designed:

Steam 2nd response

Media For Which Designed:

Water, fresh 3rd response

Media For Which Designed:

Fuel/oil, hydrocarbon 1st response

Style Designator:

Angle

Thread Series Designator:

Npt 2nd end

Thread Series Designator:

Npt 1st end

NSN:

4820-00-142-1515

Item Name:

Fuse,velocity

Cage Code:

93641

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

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:

594

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Velocity Fuse"

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.