633-2-8

Safety Relief Valve

NSN 4820-00-289-4389

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

002894389

Product Technical Spec.

Pipe Size Accommodated:

0.375 inches 2nd end

Thread Class:

3a 1st end

Thread Direction:

Right-hand 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Integral

Disk Loading Method:

Spring

Maximum Operating Temp:

180.0 degrees fahrenheit single response

Connection Style:

G42 flared (tube) 1st end

Connection Style:

G46b plain (pipe) 2nd end

Connection Style:

Flared (tube) 1st end

Connection Style:

Plain (pipe) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 2nd end

Connection Type:

Threaded external tube 1st end

Features Provided:

Pressure tight outlet side

Thready Qty Per Inch (tpi):

16 1st end

Thready Qty Per Inch (tpi):

18 2nd end

Adjustable Pressure Range:

+10.0/+50.0 pounds per square inch

Maximum Operating Pressure:

450.0 pounds per square inch single response

Thread Size:

0.375 inches 2nd end

Thread Size:

0.750 inches 1st end

Seat Angle:

45.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.500 inches 1st end

Material:

Copper alloy seat

Material:

Copper alloy body

Material:

Stainless steel flow control device

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Angle

Thread Series Designator:

Anpt 2nd end

Thread Series Designator:

Unf 1st end

NSN:

4820-00-289-4389

Item Name:

Cartridge,relief Valve

Cage Code:

86768

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

633XB-2-8-2

Cage Code:

72352

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

633XB-2-8-2

Cage Code:

09990

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

633XB2-8-2

Cage Code:

86768

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

HL11251PC27

Cage Code:

86768

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

Submit this form for current pricing and availability quote on part number 633-2-8 and/or cross reference parts.

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.