NSN 4820-00-225-7186

Safety Relief Valve

FSC: 4820 NIIN: 002257186

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Product Characteristics

NSN:

4820002257186

Demilitarization:

DEMIL/MLI

INC:

05488

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

3.5 gallons per minute

Connection Style:

Gasket sea (boss) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded internal boss all ends

Features Provided:

Pressure tight outlet side

Thready Qty Per Inch (tpi):

18 all ends

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.562 inches all ends

Seat Angle:

37.0 degrees all ends

Opening Pressure Setting:

2800.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.375 inches all ends

Material:

Stainless steel stem

Media For Which Designed:

Fuel/oil, hydrocarbon single response

Style Designator:

Err-090

Thread Series Designator:

Unf all ends

Part Numbers

128SCH142-9
NORTHROP GRUMMAN SYSTEMS CORPORATION
A61732
HYDRO-AIRE, 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

NORTHROP GRUMMAN SYSTEMS CORPORATION - 26512

HYDRO-AIRE, INC. - 81982