NSN 4820-00-203-7912

Safety Relief Valve

FSC: 4820 NIIN: 002037912

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Product Characteristics

NSN:

4820002037912

Demilitarization:

INC:

05488

Shelf Life:

N/A

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Bolted

Disk Loading Method:

Spring

Bolt Hole Quantity:

12 1st end

Maximum Operating Temp:

425.0 degrees fahrenheit single response

Valve Operation Method:

Automatic or manual

Flange Shape:

Round with holes 1st end

Connection Type:

Flange 1st end

Features Provided:

Pressure tight outlet side

Maximum Operating Pressure:

100.0 pounds per square inch single response

Opening Pressure Setting:

2.0 pounds per square inch

Outside Diameter:

10.125 inches 1st end

Thickness:

0.562 inches 1st end

First Connection Face To Centerline Distance:

8.000 inches

Bolt Hole Diameter:

0.688 inches 1st end

Second Connection Face To Centerline Distance:

8.000 inches

Bolt Circle Diameter:

8.875 inches 1st end

Flange Face Design:

Plain 1st end

Extra Long Reference Number:

5s1166alt9and5s1179alt8and5s1287alt2

Material:

Copper alloy body

Media For Which Designed:

Steam single response

Style Designator:

Angle flanged ends

Reference Number Differentiating Characteristics:

Elr no.

Part Numbers

5S1166ALT9AND5S1179ALT8AND5S128-
NAVAL SHIP SYSTEMS COMMAND

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

NAVAL SHIP SYSTEMS COMMAND - 80064