174A

Safety Relief Valve

NSN 4820-00-057-7231

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000577231

Technical Specifications of NSN

Pipe Size Accommodated:

1.000 inches all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Bonnet Type:

Inside screw

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Connection Style:

G9 plain, optional en (pipe) all ends

Connection Style:

Plain, optional en (pipe) all ends

Valve Operation Method:

Manual

Connection Type:

Threaded internal pipe all ends

Features Provided:

Valve stem lock shield

Thread Size:

1.000 inches all ends

Opening Pressure Setting:

75.0 pounds per square inch

Material:

Copper alloy

Style Designator:

Angle

Thread Series Designator:

Npt 1st end

Reference Number Differentiating Characteristics:

As differentiated by pressure setting and size

NSN:

4820-00-057-7231

Item Name:

Cartridge,relief Valve

Cage Code:

79227

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

174A-1IN-75PSI

Cage Code:

79227

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

2.1000lbs

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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Pricing & Availability

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

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.