NSN 4820-00-473-4214

Safety Relief Valve

FSC: 4820 NIIN: 004734214

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Product Characteristics

NSN:

4820004734214

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

1.250 inches 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Maximum Operating Temp:

400.0 degrees fahrenheit single response

Connection Style:

Plain, optional en (pipe) 1st end

Valve Operation Method:

Automatic or manual

Connection Type:

Threaded internal pipe 1st end

Features Provided:

Pressure tight outlet side

Adjustable Pressure Range:

+31.0/+60.0 pounds per square inch

Maximum Operating Pressure:

250.0 pounds per square inch single response

Thread Size:

1.250 inches 2nd end

Material:

Steel stem

Material Specification:

Qq-c-390, aloy b5/d federal specification single material response seat

Media For Which Designed:

Steam single response

Style Designator:

Angle

Thread Series Designator:

Npt 1st end

Reference Number Differentiating Characteristics:

As differentiated by pressure setting range

Part Numbers

2606-1-1-4
CRANE CO
422-4805-934639ALT1PCV4
NAVAL SEA SYSTEMS COMMAND
422-4805-934640PCV4
NAVAL SEA SYSTEMS COMMAND
6963-422PCV4
PORTSMOUTH NAVAL SHIPYARD
6964-622PCV4
PORTSMOUTH NAVAL SHIPYARD

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481400000 - Safety or relief valves.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

Similar NSN

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Cage Codes

CRANE CO - 14959

NAVAL SEA SYSTEMS COMMAND - 53711

PORTSMOUTH NAVAL SHIPYARD - 81316