NSN 4820-01-121-8903

Safety Relief Valve

FSC: 4820 NIIN: 011218903

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Product Characteristics

NSN:

4820011218903

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3b 2nd end

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Maximum Operating Temp:

400.0 degrees fahrenheit single response

Connection Style:

G4 gasket sea (boss) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal tube 2nd end

Thready Qty Per Inch (tpi):

20 1st end

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.438 inches all ends

Seat Angle:

90.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Special Features:

Mounting position: horizontal or vertical

Material:

Steel comp 303 body

Style Designator:

C2 straight thru

Thread Series Designator:

Unj 1st end

Part Numbers

220T4TB
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