Model: 2256B-3

Shuttle Valve

Properties:

Pipe Size Accommodated

0.500 inches all ends

Flow Control Device

Ball

Valve Discharge Flow Rate

5.5 gallons per minute

Maximum Operating Temp

300.0 degrees fahrenheit single response

Connection Style

G64a plain beveled (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Unthreaded external pipe all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Material

Copper alloy body

Material

Stainless steel flow control device

Media For Which Designed

Air 1st response

Media For Which Designed

Fuel/oil, hydrocarbon 2nd response

NSN

4820-01-136-6540

Part Number

2256B-3

Description

Valve,shuttle

CAGE

96948

A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

Part 2256B-3 NSN 4820-01-136-6540

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20572

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481809050
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi