NSN 4820-00-247-9183

Safety Relief Valve

FSC: 4820 NIIN: 002479183

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Product Characteristics

NSN:

4820002479183

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3b 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

Gasket sea (boss) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal boss 2nd end

Features Provided:

Pressure tight outlet side

Adjustable Pressure Range:

+400.0/+600.0 pounds per square inch

Maximum Operating Pressure:

2500.0 pounds per square inch single response

Thread Size:

0.438 inches all ends

Seat Angle:

37.0 degrees 1st end

Opening Pressure Setting:

550.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Material:

Aluminum alloy 2024

Material Specification:

Qq-a-225/6, t4 federal specification single material response

Media For Which Designed:

Hydrogen 2nd response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 1 military specification single treatment response

Style Designator:

Straight through note: to be used for valve bodies of separable sections.

Thread Series Designator:

Unjf 1st end

Part Numbers

332-2246-020
ROCKWELL COLLINS, INC.
5177A-4TB-550
CIRCOR AEROSPACE, 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

ROCKWELL COLLINS, INC. - 13499

CIRCOR AEROSPACE, INC. - 91816