622B21-428

Safety Relief Valve

NSN 4820-00-040-7472

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000407472

Product Technical Spec.

Pipe Size Accommodated:

0.250 inches all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Maximum Operating Temp:

400.0 degrees fahrenheit single response

End Application:

Grumman aircraft model a10

Connection Style:

G9 plain, optional en (pipe) all ends

Connection Style:

Plain, optional en (pipe) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded internal pipe all ends

Features Provided:

Pressure tight outlet side

Thready Qty Per Inch (tpi):

18 all ends

Adjustable Pressure Range:

+10.0 to 50.0 pounds per square inch

Maximum Operating Pressure:

50.0 pounds per square inch single response

Thread Size:

0.250 inches all ends

Opening Pressure Setting:

35.0 pounds per square inch

Material:

Aluminum alloy body

Material:

Aluminum alloy seat

Material:

Rubber fluorocarbon class fpm packing

Material:

Steel comp 416 flow control device

Material Specification:

Fedstd66, aisi416/sae51416 military specification single material response flow control device

Material Specification:

Mil-r-83248/1 military specification single material response packing

Media For Which Designed:

Fuel/oil, hydrocarbon 1st response

Media For Which Designed:

Hydraulic fluid, silicate-ester base 2nd response

Surface Treatment:

Anodize

Style Designator:

C1 angle

Style Designator:

Angle

Thread Series Designator:

Npt all ends

NSN:

4820-00-040-7472

Item Name:

Velocity Fuse

Cage Code:

86768

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

627B2-1/4-28

Cage Code:

09990

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

622B2-1/4-28

Cage Code:

09990

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:

0.3000lbs

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

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 622b21-428 and/or cross reference parts.

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.