NSN 4820-01-011-6156

Safety Relief Valve

FSC: 4820 NIIN: 010116156

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Product Characteristics

NSN:

4820010116156

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Maximum Operating Temp:

225.0 degrees fahrenheit single response

Connection Style:

G42 flared (tube) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube all ends

Adjustable Pressure Range:

+10.0/+50.0 pounds per square inch

Maximum Operating Pressure:

50.0 pounds per square inch single response

Thread Size:

0.438 inches all ends

Seat Angle:

37.0 degrees all ends

Opening Pressure Setting:

35.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.250 inches all ends

Material:

Steel comp 303 flow control device

Material Specification:

Qq-b-626, alloy 360 federal specification single material response body

Media For Which Designed:

Air 1st response

Style Designator:

Err-090

Thread Series Designator:

Unjf all ends

Part Numbers

639XB2-4-2
TELEDYNE INDUSTRIES INC
6507
UNITED TECHNOLOGIES CORPORATION

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

TELEDYNE INDUSTRIES INC - 86768

UNITED TECHNOLOGIES CORPORATION - 77445