NSN 4820-00-900-3800

Safety Relief Valve

FSC: 4820 NIIN: 009003800

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Product Characteristics

NSN:

4820009003800

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Integral

Disk Loading Method:

Spring

Connection Style:

G9 plain, optional en (pipe) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal pipe 2nd end

Maximum Operating Pressure:

250.0 pounds per square inch single response

Thread Size:

0.750 inches 1st end

Opening Pressure Setting:

125.0 pounds per square inch

Material:

Iron cast body

Style Designator:

Err-090

Thread Series Designator:

Npt all ends

Furnished Items And Quantity:

1 lever

Part Numbers

1543-1-2INRNG12010130PSI
DRESSER, INC.
1543-1-2INRNG120TO130PSI
DRESSER, INC.
1543D
ASHCROFT INC.
18217
CLAYTON MANUFACTURING COMPANY

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

DRESSER, INC. - 16497

ASHCROFT INC. - 38056

CLAYTON MANUFACTURING COMPANY - 12736