NSN 4820-01-420-5231

Safety Relief Valve

FSC: 4820 NIIN: 014205231

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Product Characteristics

NSN:

4820014205231

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Direction:

Right-hand all ends

Disk Loading Method:

Spring

Maximum Operating Temp:

400.0 degrees fahrenheit single response

Minimum Operating Temp:

-100.0 degrees fahrenheit

End Application:

Aircraft, hercules c

Connection Style:

G4 gasket sea (boss) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal tube 2nd end

Maximum Operating Pressure:

1000.0 pounds per square inch single response

Thread Size:

0.250 inches all ends

Seat Angle:

37.0 degrees 1st end

Opening Pressure Setting:

25.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Special Features:

With polytetrafluoroethylene seal

Material:

Stainless steel seat

Media For Which Designed:

Water-oil-gas single response

Style Designator:

C8 straight through note: to be used for valve bodies of one section only.

Thread Series Designator:

Nptf 2nd end

Part Numbers

5120TP-4TJ-25
CIRCOR AEROSPACE, INC.
ES9983
DRS SUSTAINMENT SYSTEMS, INC.
ES9983-01T25
DRS SUSTAINMENT SYSTEMS, 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

DRS SUSTAINMENT SYSTEMS, INC. - 20418