NSN 4820-01-220-8278

Safety Relief Valve

FSC: 4820 NIIN: 012208278

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Product Characteristics

NSN:

4820012208278

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3b 1st end

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

275.0 degrees fahrenheit single response

Connection Style:

G43 external seat for gasket seal (boss) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal tube 1st end

Thready Qty Per Inch (tpi):

14 2nd end

Adjustable Pressure Range:

+160.0 to 240.0 pounds per square inch

Maximum Operating Pressure:

2500.0 pounds per square inch single response

Thread Size:

0.875 inches all ends

Seat Angle:

37.0 degrees 2nd end

Opening Pressure Setting:

200.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.625 inches 1st end

Material:

Stainless steel body

Media For Which Designed:

Helium 2nd response

Style Designator:

A1 straight thru

Thread Series Designator:

Unj 2nd end

Part Numbers

5159T-10TB-200
CIRCOR AEROSPACE, INC.
5177T-10TB-200
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