NSN 4820-00-083-1263

Safety Relief Valve

FSC: 4820 NIIN: 000831263

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Product Characteristics

NSN:

4820000831263

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3b all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Bonnet Type:

Packing retaining

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

2.5 gallons per minute

Maximum Operating Temp:

275.0 degrees fahrenheit single response

Connection Style:

Gasket sea (boss) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded internal tube all ends

Features Provided:

Pressure tight outlet side

Maximum Operating Pressure:

4500.0 pounds per square inch single response

Thread Size:

0.437 inches all ends

Opening Pressure Setting:

3650.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.250 inches all ends

Material:

Stainless steel flow control device

Media For Which Designed:

Fuel/oil, hydrocarbon single response

Style Designator:

Straight thru

Thread Series Designator:

Unf all ends

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7M119T9456	1	03/04/2019	0078517430	0%

Part Numbers

128SCH136-1
NORTHROP GRUMMAN SYSTEMS CORPORATION
A90293
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