NSN 4820-00-446-3543

Safety Relief Valve

FSC: 4820 NIIN: 004463543

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Product Characteristics

NSN:

4820004463543

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

1.250 inches 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Bolt Hole Quantity:

4 2nd end

Maximum Operating Temp:

425.0 degrees fahrenheit single response

Connection Style:

Plain, optional en (pipe) 1st end

Valve Operation Method:

Automatic or manual

Flange Shape:

Round with holes 2nd end

Connection Type:

Threaded internal pipe 1st end

Valve Size:

1.000 inches

Adjustable Pressure Range:

+7.0/+25.0 pounds per square inch

Maximum Operating Pressure:

100.0 pounds per square inch single response

Thread Size:

1.250 inches 1st end

Outside Diameter:

4.250 inches 2nd end

Thickness:

0.438 inches 2nd end

First Connection Face To Centerline Distance:

3.000 inches

Bolt Hole Diameter:

0.562 inches 2nd end

Second Connection Face To Centerline Distance:

1.906 inches

Bolt Circle Diameter:

3.125 inches 2nd end

Flange Face Design:

Plain 2nd end

Material:

Nickel alloy flow control device

Media For Which Designed:

Steam single response

Style Designator:

Angle flanged ends

Thread Series Designator:

Npt 1st end

Part Numbers

1110323
WESTINGHOUSE ELECTRIC CORP
26J535PC1T023
WESTINGHOUSE ELECTRIC CORP
26J539PC52
WESTINGHOUSE ELECTRIC CORP
26J610PC1T023
WESTINGHOUSE ELECTRIC CORP
27J409PC1T023
WESTINGHOUSE ELECTRIC CORP

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

WESTINGHOUSE ELECTRIC CORP - 79500