634131-1

Gaseou Pressure Equalizing Valve

NSN 4820-00-612-3875

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

006123875

Product Features

Adjusting screw-ring w/spanner wrench slot at end of valve 3.38 in. L o/l completely closed, 3.75 in. L o/a completely open

Product Technical Spec.

Body Material:

Aluminum alloy, qq-a-225/5, alloy 2017, t4

Outside Surface Treatment:

Anodized, mil-a-8625

Body Style:

Single connection, straight flow

Tempurature Rating:

-70.0 degrees fahrenheit

Tempurature Rating:

165.0 degrees fahrenheit

Tempurature Rating:

-70.0 degrees fahrenheit and 165.0 degrees fahrenheit

Media For Which Designed:

Air or hydrocarbon fuels and oils

Media For Which Designed:

Air and hydrocarbon fuels and oils

First End Connection Type:

Threaded external tube

First End Style Designator:

Flared

First End Outside Diameter Tube Accommodated:

1.000 inches

First End Thread Size And Series/type Designator:

1.3125-12 unj

First End Thread Class:

First End Thread Direction:

Right-hand

First End Seat Radius:

Between 0.005 inches and 0.015 inches

Flow Control Device:

Poppet

Flow Control Device Material:

Aluminum alloy, qq-a-225/5, alloy 2017, t4

End Connection Quantity:

Disk Loading Method:

Spring

Valve Venting Design Type:

Atmospheric

Valve Relief Design Type:

Pressure and vacuum

NSN:

4820-00-612-3875

Item Name:

Valve,relief

Cage Code:

98897

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

12602B

Cage Code:

91561

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

12602-B1

Cage Code:

91561

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

6801-007

Cage Code:

91561

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

572-31

Cage Code:

91561

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

10958

FIIG:

A07100

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:

77.5

WCC:

594

TCC:

SHC:

ACC:

Equipment for Aircraft

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Pricing & Availability

Submit this form for current pricing and availability quote on part number 634131-1 and/or cross reference parts.

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

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.