NSN 4820-00-552-2205

Safety Relief Valve

FSC: 4820 NIIN: 005522205

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Product Characteristics

NSN:

4820005522205

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

280.0 degrees fahrenheit single response

Connection Style:

Plain (tube) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube 1st end

Adjustable Pressure Range:

+60.0/+150.0 pounds per square inch

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.437 inches 1st end

Opening Pressure Setting:

115.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.250 inches 1st end

Material:

Steel comp 303 seat

Material Specification:

Fed std66, aisi 303/sae 30303 federal standard single material response seat

Media For Which Designed:

Helium 5th response

Style Designator:

Straight through w/baffle

Thread Series Designator:

Unjf 1st end

Furnished Items And Quantity:

1 deflector cap

Part Numbers

1-4D559T4D115
CIRCOR AEROSPACE, INC.
513-50055
HEPBURN ITALIANA SRL
513-50116
PARKER-HANNIFIN CORPORATION
D559T-4D-115
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

CIRCOR AEROSPACE, INC. - 91816

HEPBURN ITALIANA SRL - AJ609

PARKER-HANNIFIN CORPORATION - 9F512