NSN 4820-00-903-7241

Safety Relief Valve

FSC: 4820 NIIN: 009037241

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Product Characteristics

NSN:

4820009037241

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:

250.0 degrees fahrenheit single response

Connection Style:

G50 external seat for gasket seal (boss) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external boss 1st end

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.437 inches 1st end

Opening Pressure Setting:

20.0 pounds per square inch

Material:

Rubber butadiene-acrylonitrile class nbr flow control device

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Err-090

Thread Series Designator:

Unf 1st end

Part Numbers

537A4D20
CIRCOR AEROSPACE, INC.
FTWC225-1
RAYTHEON COMPANY

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

RAYTHEON COMPANY - 15090