A644XB2-12

Safety Relief Valve

NSN 4820-00-010-1682

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000101682

Product Technical Spec.

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Integral

Disk Loading Method:

Spring

Maximum Operating Temp:

225.0 degrees fahrenheit single response

Connection Style:

G42 flared (tube) all ends

Connection Style:

Flared (tube) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube all ends

Features Provided:

Bonnet packing and pressure tight outlet side

Thready Qty Per Inch (tpi):

12 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:

1.500 inches all ends

Seat Angle:

37.0 degrees all ends

Opening Pressure Setting:

35.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.750 inches all ends

Material:

Steel comp 303 body

Material:

Steel comp 303 seat

Material:

Steel comp 416 flow control device

Material Specification:

Fedstd66, aisi303/sae30303 federal standard single material response seat

Material Specification:

Fedstd66, aisi303/sae30303 federal standard single material response body

Material Specification:

Fedstd66, aisi416/sae51416 federal standard single material response flow control device

Media For Which Designed:

Water-oil-gas single response

Surface Treatment:

Passivate

Style Designator:

Angle

Thread Series Designator:

Un all ends

Furnished Items And Quantity:

2 ferrule

NSN:

4820-00-010-1682

Item Name:

Fuse,velocity

Cage Code:

86768

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

A644XB-2-12-2

Cage Code:

09990

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21C2222-285

Cage Code:

24446

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A644X2-12

Cage Code:

86768

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A644X2-2-12

Cage Code:

86768

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A644XB2-12-2

Cage Code:

86768

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21C2222-285

Cage Code:

07482

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:

2.3000lbs

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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100% Genuine Manufacturers Parts
Every Product thoroughly Inspected
Sales Record Retention of 7 years
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Pricing & Availability

Submit this form for current pricing and availability quote on part number a644xb2-12 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.