NSN 4820-00-289-3818

Safety Relief Valve

FSC: 4820 NIIN: 002893818

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Product Characteristics

NSN:

4820002893818

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Direction:

Right-hand 2nd end

Disk Loading Method:

Spring

Bolt Hole Quantity:

4 1st end

Maximum Operating Temp:

425.0 degrees fahrenheit single response

Connection Style:

Plain, optional en (pipe) 2nd end

Flange Shape:

Round with holes 1st end

Connection Type:

Threaded internal pipe 2nd end

Adjustable Pressure Range:

+4.0/+9.0 pounds per square inch

Maximum Operating Pressure:

100.0 pounds per square inch single response

Thread Size:

1.000 inches 2nd end

Outside Diameter:

4.250 inches 1st end

Bolt Hole Diameter:

0.562 inches 1st end

Bolt Circle Diameter:

3.125 inches 1st end

Flange Face Design:

Plain 1st end

Special Features:

W/lifting lever

Material:

Nickel alloy seat

Media For Which Designed:

Steam single response

Style Designator:

Angle

Thread Series Designator:

Npt 2nd end

Part Numbers

20313A51M
BROWN AND PERKINS, INC.
ARS48-0333 ITEM 36
NAVAL SHIP SYSTEMS COMMAND
ARSS48-0333ITEM36
NAVAL SHIP SYSTEMS COMMAND
S6088AMITEM36
ASHCROFT INC.

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

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Cage Codes

BROWN AND PERKINS, INC. - 34496

NAVAL SHIP SYSTEMS COMMAND - 80064

ASHCROFT INC. - 38056